Toshiba TLCS-900/H1 Series Data Book page 80

PA
bit Symbol PA7
(0028H)
Read/Write
After reset
bit Symbol PA7
PAFC
(002BH)
Read/Write
After reset
bit Symbol
PACR
(002AH)
Read/Write
After reset
PADR
bit Symbol PA7D
(008AH)
Read/Write
After reset
Function
Note 1: Read-Modify-Write is prohibited for the registers PACR and PAFC .
Port A Register
7 6 5
PA6 PA5
Port A Function Register
7 6 5
PA6 PA5
0: KEY IN disable
Port A Control Register
7 6 5
PA6C PA5C
0: input port or KEY IN
1: LD11-LD8 output
Port A Drive Register
7 6 5
PA6D PA5D
Output/Input buffer drive-register for standby-mode
Figure 3.5.16 Port A register
92CH21 - 76
4 3
PA4 PA3
R
Input Mode
4 3
PA4 PA3
W
0
1: KEY IN enable
4 3
PA4C PA3C
W
0
4 3
PA4D PA3D
R/W
1
TMP92CH21
2 1 0
PA2 PA1 PA0
2 1 0
PA2 PA1 PA0
2 1 0
2 1 0
PA2D PA1D PA0D