THOMSON MCR61TF30, Service Manual, Page: 12 / 48

SERVICE MANUAL
Terminal I/O Function Description Option Format
Port 7
P71-P73
I/O
4-bit input/output port
Each bit can be independently programmable
Other functions:
P70
INTO input/HOLD release input
/Nch-Tr. output for watchdog timer
P71 INT1 input/HOLD release input
P72 INT2 input/timer 0 event input
P73
INT3 input (noise rejection filter attached
input)/timer 0 event input
Interrupt receiver format vector address
Rising Falling
Rising
/
Falling
H
level
L
level
Vector
INTO
INT1
INT2
INT3
yes
yes
yes
yes
yes
yes
yes
yes
no
no
yes
yes
yes
yes
no
no
yes
yes
no
no
03H
0BH
13H
1BH
P70
W
P71-P73
V
Port 8
P83
P84-P87
I
I/O
1-bit input port
(P83 is set only in CH04T1002)
4-bit input/output port(P84-P87)
Each bit can be independently programmable
Other function:
AD converter input port
P83
B
P84-P87
X
Port options can be specified independently for each bit.
The programmable pull-up resistors are provided depending on whether CMOS or Nch-OD (Nch open
drain ) is selected as the port 1 option.
3. Refer to Table 3 about Functions and Data of the IC’s Each Pin.
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