Intel 8XC196K Series User Manual page 534

AD_RESULT (Read)
The A/D result (AD_RESULT) register consists of two bytes. The high byte contains the eight most-
significant bits from the A/D converter. The low byte contains the two least-significant bits from a ten-
bit A/D conversion, indicates the A/D channel number that was used for the conversion, and indicates
whether a conversion is currently in progress.
15
ADRLT9 ADRLT8
7
ADRLT1 ADRLT0
Bit Bit
Number Mnemonic
15:6 ADRLT9:0
5:4 —
3 STATUS
2:0 ACH2:0
ADRLT7 ADRLT6
— —
A/D Result
These bits contain the A/D conversion result.
Reserved. These bits are undefined.
A/D Status
Indicates the status of the A/D converter. Up to 8 state times are required
to set this bit following a start command. When testing this bit, wait at
least the 8 state times.
1 = A/D conversion is in progress
0 = A/D is idle
A/D Channel Number
These bits indicate the A/D channel number that was used for the
conversion. The 87C196CA, 8XC196J x devices have six channel inputs.
These channels are numbered 2–7. The 8XC196K x devices have eight
channels, numbered 0–7.
Reset State:
ADRLT5 ADRLT4
STATUS ACH2
Function
REGISTERS
AD_RESULT (Read)
Address: 1FAAH
7F80H
8
ADRLT3 ADRLT2
0
ACH1 ACH0
C-7