Toshiba TLCS-900/H1 Series Data Book page 287

Bit symbol VREFON
ADMOD1
(12B9H) Read/Write R/W
After Reset
VREF
application
Function
control
0: OFF
1: ON
Bit symbol
ADMOD2
(12BAH)
Read/Write
After Reset
Note:
Function
Always fixed
To 0
Note: As pin AN3 also function as the
ADTRG
with < ADTRGE > set to "1".
AD Mode Control Register 1
7 6 5
−
I2AD
R/W
0 0 0
IDLE2 Note:
0: Stop Always fixed
1: Operate to 0
<ADCH1, ADCH0>
AD Mode Control Register 2
7 6 5
− − −
0 0 0
Note: Note:
Always fixed Always fixed
To 0 To 0
ADTRG
input pin, do not set < ADCH2:0 > = "011, 100" when using
Figure 3.11.3 AD Converter Related Register
92CH21 - 283
4 3
− −
0 0
Note: Note: Note:
Always fixed Always fixed Always fixed
to 0 to 0 to 0
Analog input channel selection
<SCAN> 0
channel
fixed
000 AN0
001 AN1
010 AN2
011(Note) AN3
IDLE2 control
0 Stopped
1 In operation
Control of application of reference voltage to
AD converter
0 OFF
1 ON
Before starting conversion (before writing 1 to
ADMOD0 <ADS>), set the <VREFON> bit to
1.
4 3
− −
0 0
Note: Note: Note:
Always fixed Always fixed Always fixed
to 0 to 0 to 0
AD conversion start control by external trigger
( ADTRG input )
0 Disabled
1 Enabled
TMP92CH21
2 1 0
−
ADCH1 ADCH0
R/W
0 0 0
Analog input channel selection
1
channel
scanned
AN0
AN0 → AN1
AN0 → AN1 → AN2
AN0 → AN1 → AN2 → AN3
2 1 0
− −
ADTRGE
R/W
0 0 0
Note: AD external
Always fixed trigger start
to 0 control
0: disable
1: enable