µPD75004, 75006, 75008
3.1 PORT PINS (2/2)
Pin Name Input/Output Also Served
As
Function
P60
P61
Input/
P62
Output
P63
P70
P71
Input/
P72
Output
P73
P80
Input/
P81
Output
KR0
Programmable 4-bit input/output port
(PORT6)
KR1
This port can be specified for input/
KR2
output in bit units.
Internal pull-up resistors can be
KR3
specified in 4-bit units by software.
KR4
KR5
4-bit input/output port (PORT7)
Internal pull-up resistors can be
KR6
specified in 4-bit units by software.
KR7
—
2-bit input/output port (PORT8)
Internal pull-up resistors can be
—
specified in 2-bit units by software.
*1: Circles indicate Schmitt trigger inputs.
2: Can directly drive LED.
8-Bit I/O When Reset
Input
q
Input
X
Input
Input/
Output
Circuit
TYPE*1
F -A
F -A
E-B
10