Advantech PCI-1724U Instrukcja Użytkownika Pobierz pdf (Strona 47)

39 Appendix C

C.3 Synchronous Output Control Register/DAC Ready

Status-0x04

The PCI-1724U provides an innovate function in which all D/A channels

can output their data in synchronization. It is necessary to verify DAC-

STAT status every time you want to output DAC data, otherwise the com-

mand results in errors.

SYN:

‘0’ Indicate DAC Is Direct Output Mode

‘1’ Indicate DAC Is Synchronous Output Mode

DACSTAT:

‘0’ Indicate DAC State Machine Is Ready For Next DAC

Data

‘1’ Indicate DAC State Machine Is Busy

Table C.9: Synchronous Output Control Register/DAC Ready Status

Offset Address

(HEX)

PCI-1724U Register Format

D31~D6 D5 D4 D3 D2 D1 D0

0x04

Synchronous Output Control Mode

X X X X X X SYN

Synchronous Output Control Status

X X X X X DACSTAT SYN

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 61 62

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