Configurations Of Ports 2 And 7 - NEC PD750004 User Manual

µPD750008 USER'S MANUAL
Note For port 7 only
70
Figure 5-3. Configurations of Ports 2 and 7
Input buffer
M
P
X
Output
latch
PMm
Bits 2 and 7 of port mode
register group B (m = 2, 7)
Bit m of
POGA
Note
Key interrupt
PMm = 0
PMm = 1
Output buffer
V
DD
Input buffer with
Note
hysteresis
Pull-up
resistor
P-ch
Pm0
Pm1
Pm2
Pm3