wb_slave_fmc_dio_5ch_ttl
FMC DIO 5ch TTL Port
A Wishbone interface for the FMC DIO 5ch TTL
Contents:
1. Memory map summary
2. HDL symbol
3. Register description
3.1. Pin direction register
3.2. Pin state register
3.3. Pin output register
3.4. Pin termination register
3.5. Set output pin register
3.6. Clear output pin register
3.7. LED signaling interface
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→
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rst_n_i
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Pin direction register:
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→
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clk_sys_i
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fmc_dio_ddr_o[4:0]
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⇒
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⇒
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wb_adr_i[3:0]
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⇒
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wb_dat_i[31:0]
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Pin state register:
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⇐
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wb_dat_o[31:0]
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fmc_dio_psr_i[4:0]
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⇐
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→
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wb_cyc_i
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⇒
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wb_sel_i[3:0]
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Pin output register:
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|
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→
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wb_stb_i
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fmc_dio_pdr_o[4:0]
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⇒
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→
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wb_we_i
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fmc_dio_pdr_wr_o
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→
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←
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wb_ack_o
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←
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wb_stall_o
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Pin termination register:
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fmc_dio_term_o[4:0]
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⇒
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Set output pin register:
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fmc_dio_sopr_o[4:0]
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⇒
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fmc_dio_sopr_wr_o
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→
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|
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Clear output pin register:
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fmc_dio_copr_o[4:0]
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⇒
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fmc_dio_copr_wr_o
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→
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LED signaling interface:
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fmc_dio_leds_bot_o
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→
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fmc_dio_leds_top_o
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→
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HW prefix:
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fmc_dio_ddr
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HW address:
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0x0
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C prefix:
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DDR
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C offset:
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0x0
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A register defining the direction of the DIO pins.
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31
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30
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29
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28
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27
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26
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25
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24
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-
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-
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-
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-
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-
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-
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-
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-
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23
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22
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21
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20
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19
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18
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17
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16
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-
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-
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-
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-
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-
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-
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-
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-
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15
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14
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13
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12
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11
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10
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9
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8
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-
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-
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-
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-
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-
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-
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-
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-
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7
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6
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5
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4
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3
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2
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1
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0
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-
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-
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-
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DDR[4:0]
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-
DDR
[read/write]: Pin directions
Each bit in this register defines the direction of the corresponding pin in the DIO. 1 means the pin is an OUTPUT, 0 means the pin is an INPUT
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HW prefix:
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fmc_dio_psr
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HW address:
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0x1
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C prefix:
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PSR
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C offset:
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0x4
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A register containing the current state of the DIO pins.
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31
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30
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29
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28
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27
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26
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25
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24
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-
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-
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-
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-
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-
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-
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-
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-
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23
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22
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21
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20
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19
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18
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17
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16
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|
-
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-
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-
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-
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-
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-
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-
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-
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15
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14
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13
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12
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11
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10
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9
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8
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-
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-
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-
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-
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-
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-
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-
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-
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7
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6
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5
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4
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3
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2
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1
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0
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-
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-
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-
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PSR[4:0]
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|
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-
PSR
[read-only]: Pin input state
Each bit in this register reflects the state of the corresponding pin in the DIO. 1 means the pin is HIGH, 0 means the pin is LOW
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HW prefix:
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fmc_dio_pdr
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HW address:
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0x2
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C prefix:
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PDR
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C offset:
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0x8
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A register that allows changing the value of the DIO pins by means of a direct write access
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31
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30
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29
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28
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27
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26
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25
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24
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|
-
|
-
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-
|
-
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-
|
-
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-
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-
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23
|
22
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21
|
20
|
19
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18
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17
|
16
|
|
-
|
-
|
-
|
-
|
-
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-
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-
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-
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15
|
14
|
13
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12
|
11
|
10
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9
|
8
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-
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-
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-
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-
|
-
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-
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-
|
-
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7
|
6
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5
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4
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3
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2
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1
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0
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-
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-
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-
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PDR[4:0]
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|
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|
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-
PDR
[write-only]: Pin output value
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HW prefix:
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fmc_dio_term
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HW address:
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0x3
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C prefix:
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TERM
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C offset:
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0xc
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A register defining the use of the 50 Ohm termination
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31
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30
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29
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28
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27
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26
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25
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24
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-
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-
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-
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-
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-
|
-
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-
|
-
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23
|
22
|
21
|
20
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19
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18
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17
|
16
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
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15
|
14
|
13
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12
|
11
|
10
|
9
|
8
|
|
-
|
-
|
-
|
-
|
-
|
-
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-
|
-
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7
|
6
|
5
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4
|
3
|
2
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1
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0
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-
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-
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-
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TERM[4:0]
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-
TERM
[read/write]: Pin terminations
Writing '1' activates the termination resistor
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HW prefix:
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fmc_dio_sopr
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HW address:
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0x4
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C prefix:
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SOPR
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C offset:
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0x10
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Writing '1' sets the corresponding DIO pin to '1'
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31
|
30
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29
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28
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27
|
26
|
25
|
24
|
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-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
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23
|
22
|
21
|
20
|
19
|
18
|
17
|
16
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
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15
|
14
|
13
|
12
|
11
|
10
|
9
|
8
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
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|
7
|
6
|
5
|
4
|
3
|
2
|
1
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0
|
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-
|
-
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-
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SOPR[4:0]
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|
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-
SOPR
[write-only]: Set output pin register
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HW prefix:
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fmc_dio_copr
|
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HW address:
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0x5
|
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C prefix:
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COPR
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C offset:
|
0x14
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Writing '1' clears the corresponding DIO pin
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31
|
30
|
29
|
28
|
27
|
26
|
25
|
24
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
23
|
22
|
21
|
20
|
19
|
18
|
17
|
16
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
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|
15
|
14
|
13
|
12
|
11
|
10
|
9
|
8
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
7
|
6
|
5
|
4
|
3
|
2
|
1
|
0
|
|
-
|
-
|
-
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COPR[4:0]
|
|
|
|
|
-
COPR
[write-only]: Clear output pin register
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HW prefix:
|
fmc_dio_leds
|
|
HW address:
|
0x8
|
|
C prefix:
|
LEDS
|
|
C offset:
|
0x20
|
Writing '1' activates the corresponding LED
|
31
|
30
|
29
|
28
|
27
|
26
|
25
|
24
|
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-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
23
|
22
|
21
|
20
|
19
|
18
|
17
|
16
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
15
|
14
|
13
|
12
|
11
|
10
|
9
|
8
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
7
|
6
|
5
|
4
|
3
|
2
|
1
|
0
|
|
-
|
-
|
-
|
-
|
-
|
-
|
TOP
|
BOT
|
-
BOT
[read/write]: FMC DIO Bottom LED
Control bit for the bottom LED placed on the FMC DIO front panel
-
TOP
[read/write]: FMC DIO Top LED
Control bit for the top LED placed on the FMC DIO front panel