
C.3 Counter 0/1/2/3/4/5/6/7 mode —
BASE+00/08/10/18/20/28/30/38H
Table C-2 PCI-1780 Register for counter 0/1/2/3/4/5/6/7 mode
Base Addr.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Counter 0 Mode
00H W
CM15 CM14 CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6 CM5 CM4 CM3 CM2 CM1 CM0
Counter 1 Mode
08H W
CM15 CM14 CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6 CM5 CM4 CM3 CM2 CM1 CM0
Counter 2 Mode
10H W
CM15 CM14 CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6 CM5 CM4 CM3 CM2 CM1 CM0
Counter 3 Mode
18H W
CM15 CM14 CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6 CM5 CM4 CM3 CM2 CM1 CM0
Counter 4 Mode
20H W
CM15 CM14 CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6 CM5 CM4 CM3 CM2 CM1 CM0
Counter 5 Mode
28H W
CM15 CM14 CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6 CM5 CM4 CM3 CM2 CM1 CM0
Counter 6 Mode
30H W
CM15 CM14 CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6 CM5 CM4 CM3 CM2 CM1 CM0
Counter 7 Mode
38H W
CM15 CM14 CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6 CM5 CM4 CM3 CM2 CM1 CM0
CM1 ~ CM0 Output control
00 Active high terminal count pulse
01 Active low terminal count pulse
10 TC toggled from low
11 TC toggled from high
CM2 Output enable control
0 Disable (high impedance)
1 Enabled
CM3 Count control (up/down)
0 Count down
1 Count up
CM4 Count control (once/repetitively)
0 Count Once
1 Count Repetitively
36
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