UPD75238GJ

Manufacturer Part NumberUPD75238GJ
Description4 BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC [NEC]
UPD75238GJ datasheet
 
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Fig. 4-5 Configuration of Ports 4 and 5
Input buffer
Output
latch
PMm
Bit of port mode register
group B (m = 4, 5)
44
V
DD
PMm = 0
MPX
PMm = 1
N-ch open-drain
output buffer
PD75238
Pull-up resistor
Mask option
Pm0
Pm1
Pm2
Pm3