fmc_adc_eic
Fmc-adc embedded interrupt controller
Embedded interrrupt controller for one fmc-adc mezzanine.
Contents:
1. Memory map summary
2. HDL symbol
3. Register description
3.1. Interrupt disable register
3.2. Interrupt enable register
3.3. Interrupt mask register
3.4. Interrupt status register
5. Interrupts
5.1. Trigger interrupt
5.2. End of acquisition interrupt
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→
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rst_n_i
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Trigger interrupt:
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→
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clk_sys_i
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irq_trig_i
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←
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⇒
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wb_adr_i[1:0]
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⇒
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wb_dat_i[31:0]
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End of acquisition interrupt:
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|
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⇐
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wb_dat_o[31:0]
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irq_acq_end_i
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←
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→
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wb_cyc_i
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|
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⇒
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wb_sel_i[3:0]
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→
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wb_stb_i
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|
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→
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wb_we_i
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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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←
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wb_int_o
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HW prefix:
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fmc_adc_eic_eic_idr
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HW address:
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0x0
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C prefix:
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EIC_IDR
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C offset:
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0x0
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Writing 1 disables handling of the interrupt associated with corresponding bit. Writin 0 has no effect.
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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
|
19
|
18
|
17
|
16
|
|
-
|
-
|
-
|
-
|
-
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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
|
3
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2
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1
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0
|
|
-
|
-
|
-
|
-
|
-
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-
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ACQ_END
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TRIG
|
-
TRIG
[write-only]: Trigger interrupt
write 1: disable interrupt 'Trigger interrupt'
write 0: no effect
-
ACQ_END
[write-only]: End of acquisition interrupt
write 1: disable interrupt 'End of acquisition interrupt'
write 0: no effect
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HW prefix:
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fmc_adc_eic_eic_ier
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HW address:
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0x1
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C prefix:
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EIC_IER
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C offset:
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0x4
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Writing 1 enables handling of the interrupt associated with corresponding bit. Writin 0 has no effect.
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31
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30
|
29
|
28
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27
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26
|
25
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24
|
|
-
|
-
|
-
|
-
|
-
|
-
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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
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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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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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-
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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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-
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-
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ACQ_END
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TRIG
|
-
TRIG
[write-only]: Trigger interrupt
write 1: enable interrupt 'Trigger interrupt'
write 0: no effect
-
ACQ_END
[write-only]: End of acquisition interrupt
write 1: enable interrupt 'End of acquisition interrupt'
write 0: no effect
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HW prefix:
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fmc_adc_eic_eic_imr
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HW address:
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0x2
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C prefix:
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EIC_IMR
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C offset:
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0x8
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Shows which interrupts are enabled. 1 means that the interrupt associated with the bitfield is enabled
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31
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30
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29
|
28
|
27
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26
|
25
|
24
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
23
|
22
|
21
|
20
|
19
|
18
|
17
|
16
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
15
|
14
|
13
|
12
|
11
|
10
|
9
|
8
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
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|
7
|
6
|
5
|
4
|
3
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2
|
1
|
0
|
|
-
|
-
|
-
|
-
|
-
|
-
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ACQ_END
|
TRIG
|
-
TRIG
[read-only]: Trigger interrupt
read 1: interrupt 'Trigger interrupt' is enabled
read 0: interrupt 'Trigger interrupt' is disabled
-
ACQ_END
[read-only]: End of acquisition interrupt
read 1: interrupt 'End of acquisition interrupt' is enabled
read 0: interrupt 'End of acquisition interrupt' is disabled
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HW prefix:
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fmc_adc_eic_eic_isr
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HW address:
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0x3
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C prefix:
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EIC_ISR
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C offset:
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0xc
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Each bit represents the state of corresponding interrupt. 1 means the interrupt is pending. Writing 1 to a bit clears the corresponding interrupt. Writing 0 has no effect.
|
31
|
30
|
29
|
28
|
27
|
26
|
25
|
24
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
23
|
22
|
21
|
20
|
19
|
18
|
17
|
16
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
15
|
14
|
13
|
12
|
11
|
10
|
9
|
8
|
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
7
|
6
|
5
|
4
|
3
|
2
|
1
|
0
|
|
-
|
-
|
-
|
-
|
-
|
-
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ACQ_END
|
TRIG
|
-
TRIG
[read/write]: Trigger interrupt
read 1: interrupt 'Trigger interrupt' is pending
read 0: interrupt not pending
write 1: clear interrupt 'Trigger interrupt'
write 0: no effect
-
ACQ_END
[read/write]: End of acquisition interrupt
read 1: interrupt 'End of acquisition interrupt' is pending
read 0: interrupt not pending
write 1: clear interrupt 'End of acquisition interrupt'
write 0: no effect
|
HW prefix:
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fmc_adc_eic_trig
|
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C prefix:
|
TRIG
|
|
Trigger:
|
rising edge
|
Trigger interrupt line (rising edge sensitive).
|
HW prefix:
|
fmc_adc_eic_acq_end
|
|
C prefix:
|
ACQ_END
|
|
Trigger:
|
rising edge
|
End of acquisition interrupt line (rising edge sensitive).