Toshiba TLCS-900/H1 Series Data Book page 89

3.5.13 Port G (PG0 to PG3)
PG0 to PG3 are 4-bit input port and can also be used as the analog input pins for the
internal AD converter. PG3 can also be used as ADTRG pin for the A/D converter.
PG2,PG3 can also be used as MX, MY pin for Touch screen interface.
ADTRG
(Only for PG3)
PG
Bit Symbol
(0040H)
Read/Write
After reset
Note: The input channel selection of A/D Converter and the permission of ADTRG input are set by A/D Converter
mode register ADMOD1.
PGDR
Bit Symbol
(0090H)
Read/Write
After reset
Function
Port G read
Conversion
Result
Converter
Register
AD Read
Figure 3.5.25 Port G
Port G Register
7 6 5
Port G Drive Register
7 6 5
Figure 3.5.26 Register for Port G
92CH21 - 85
A/D Channel
Selector
4 3
PG3
4 3
PG3D PG2D
R /W
1
Output/Input buffer
drive-register for
standby-mode
TMP92CH21
PG0(AN0),
PG1(AN1),
PG2(AN2,MX),
PG3(AN3,MY,/ADTRG)
(Only for PG2,PG3)
TSICR0<MXEN,
MYEN >
TSICR0<TSI7 >
2 1 0
PG2 PG1 PG0
R
Input mode
2 1 0