UPD17073 NEC, UPD17073 Datasheet - Page 28

• Manufacturer Part Number: UPD17073
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
• Manufacturer: NEC

4.2.7 General-purpose data memory
segment register, port register, and peripheral control register.
be used as the general-purpose data memory.
4.2.8 Data memory areas not provided
Function of Peripheral Control Registers, and Table 10-1 Relation between Each Port (Pin) and Port Register.
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The general-purpose data memory is allocated to the area of the data memory excluding the system register, LCD
With the PD17073, a total of 176 nibbles (176
For these data memory areas, refer to 4.4.2 Notes on data memory areas not provided, 8.2 Configuration and
4 bits), 112 nibbles of BANK0 and 64 nibbles of BANK1, can
PD17072,17073