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TMP92CM22
2007-02-16
92CM22-248
(10) AD converter (1/2)
Symbol Name
Address 7 6 5 4 3 2 1 0
EOCF ADBF − − ITM0 REPEAT SCAN ADS
R R/W
0 0 0 0 0 0 0 0
ADMOD0
AD mode
control
register 0
12B8H
AD
conversion
end flag
0: Busy
1: End
AD
conversion
busy flag
0: End
1: Busy
Always
write “0”.
Always
write “0”.
0: Every
1 time
1: Every
4 times
Repeat
mode
0: Single
mode
1: Repeat
mode
Scan
mode
0: Fixed
channel
mode
1: Channel
scan
mode
AD
conversion
start
1: Start
Always
read as “0”
.
VREFON I2AD − − − ADCH2 ADCH1 ADCH0
R/W
0 0 0 0 0 0 0 0
ADMOD1
AD mode
control
register 1
12B9H
Ladder
resistance
0: OFF
1: ON
IDLE2
0: Stop
1: Operate
Always
write “0”.
Always
write “0”.
Always
write “0”.
Input channel
000: AN0 AN0
001: AN1 AN0→AN1
010: AN2 AN0→AN1→AN2
011: AN3 AN0→AN1→AN2→AN3
100: AN4 AN0→AN1→AN2→AN3→
AN4
101: AN5 AN0→AN1→AN2→AN3→
AN4→AN5
110: AN6 AN0→AN1→AN2→AN3→
AN4→AN5→AN6
111: AN7 AN0→AN1→AN2→AN3→
AN4→AN5→AN6→AN7
ADTRG
R/W
0
ADMOD2
AD mode
control
register 2
12BAH
AD
external
trigger start
control
0: Disable
1: Enable
ADR01 ADR00 ADR0RF
R R
ADREG0L
AD result
register 0
low
12A0H
Undefined 0
ADR09 ADR08 ADR07 ADR06 ADR05 ADR04 ADR03 ADR02
R
ADREG0H
AD result
register 0
high
12A1H
Undefined
ADR11 ADR10 ADR1RF
R R
ADREG1L
AD result
register 1
low
12A2H
Undefined 0
ADR19 ADR18 ADR17 ADR16 ADR15 ADR14 ADR13 ADR12
R
ADREG1H
AD result
register 1
high
12A3H
Undefined
ADR21 ADR20 ADR2RF
R R
ADREG2L
AD result
register 2
low
12A4H
Undefined 0
ADR29 ADR28 ADR27 ADR26 ADR25 ADR24 ADR23 ADR22
R
ADREG2H
AD result
register 2
high
12A5H
Undefined
ADR31 ADR30 ADR3RF
R R
ADREG3L
AD result
register 3
low
12A6H
Undefined 0
ADR39 ADR38 ADR37 ADR36 ADR35 ADR34 ADR33 ADR32
R
ADREG3H
AD result
register 3
high
12A7H
Undefined