Description
The µPD75P238 is a version of the µPD75238 in which the on-chip mask ROM is replaced by one-time PROM or EPROM.
Features
- o µPD75238 pin compatible o On-chip PROM: 32640 × 8 o On-chip RAM: 1024 × 4 o High-voltage display outputs . S0 to S8 & T0 to T9 : Internal pull-down resistors . S9, S16 to S23 & T10 to T15: Open-drain o Drive capability in same supply voltage range as mask version µPD75238 (2.7 to 6.0 V) o Ports 4 & 5: No pull-up resistor o Port 7: No pull-down resistor Note USE VCR, Audio-visual, ECR, Microwave oven No internal pull-up and pull-down resistor function by mask option.
UPD75P238_NEC.pdf
