Registes Format
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15
3.2 I/O Address Map
Most of the PCI-6308 registers are 16 bits. The users can access these
registers by 16 bits I/O instructions. The following table shows the
registers map, including descriptions and their offset addresses relative
to the base address.
I/O Address
Write
Read
Base + 00h
DA Channel #3 value
DA Sent Status
Base + 02h
DA Channel #2 value
--
Base + 04h
DA Channel #1 value
--
Base + 06h
DA Channel #0 value
--
Base + 08h
DA Channel #7 value
--
Base + 0Ah
DA Channel #6 value
--
Base + 0Ch
DA Channel #5 value
--
Base + 0Eh
DA Channel #4 value
--
Base + 10h ~3Eh
Reserved
Base + 40h
Digital Input
Digital Output
Table 3.1 I/O Address Map
3.2 DA Output Register
There are 8 analog output channels on PCI-6308. Every channel is
with 12-bit.
Address: BASE + 00(hex) ~ BASE+ 0E(hex)
Attribute:
write only
Data Format:
Bit
7
6
5
4
3
2
1
0
BASE+0
DA7
DA6
DA5
DA4
DA3
DA2
DA1
DA0
Bit
15
14
13
12
11
10
9
8
BASE+1
--
--
--
--
DA11 DA10
DA9
DA8