IBM AR-B3001, Руководство пользователя, Страница: 16 / 41

ACROSSER TECHNOLOGY
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3.2 EOC STATUS REGISTER (BASE+0)
The bit 6 of EOC Status Register is the conversion status
of the A/D converter. This bit will be high(1) during
conversion and will be low(0) when data is available.
Base + 0
D7 D6 D5 D4 D3 D2 D1 D0
X EOC X X X X X X
EOC End of conversion.
EOC = 0 means the A/D converter is in the auto-zero
configuration and is ready for the next conversion.
The A/D data registers contain valid data of
previous conversions.
EOC = 1 means the A/D converter is busy and the A/D
conversion is in progress.
3.3 CONTROL REGISTER (BASE+1)
Write data to the Control Register controls the operation
of the board. The format of this register is describes as
follows:
Base + 1
D7 D6 D5 D4 D3 D2 D1 D0
X TRIG DL DH CH3 CH2 CH1 CH0