Port 5 (P50 - P55) - Toshiba TLCS-90 Series Data Book

TOSHIBA TMP90C840
3.5.6 Port 5 (P50 - P55)
Port 5 is a 6-bit input port (P5: bit 0 - 5 of memory address FFCAH)
and also used as an analog input pin (ANO - AN5).
Writing data into Port 5 register is prohibited.
P5
I
0
(FFCAH)
1
6 Channel
Analog
Multi-
plexer
Fig. 3.5 (10) Port 5
Port 5 Register
Port
S
(PSO - PSS/ANO - ANS)
PS5
I
P54
I
P53
I
PS2
I
PSI
I
PSO
I
R
Fig. 3.5 (11) Register for Port 5
MPU90-65