UPD75402ACA データシートの表示（PDF） - NEC => Renesas Technology

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UPD75402ACA

4 BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75402A(A)

DIFFERENCES BETWEEN THE µPD75402A(A) AND µPD75402A

Item

Product

Quality grade

µPD75402A(A)

Special

µPD75402A

Standard

FUNCTIONAL OVERVIEW

Item

Number of basic

instructions

Minimum instruction

execution time

Built-in

memory

ROM

RAM

General register

I/O line

Pull-up resistor

Clock output

Timer /counter

Serial interface

Vectored interrupt

Test input

Standby

Instruction set

Package

Function

37

• 0.95, 1.91, or 15.3 µs (when operating at 4.19 MHz)

• Switchable among three speeds

1920 × 8 bits

64 × 4 bits

4 bits × 4 or 8 bits × 2 (memory mapping)

• CMOS input ports

: 6 lines

• CMOS I/O ports

: 12 lines (8 lines can drive the LED directly.)

• N-ch open-drain I/O ports : 4 lines (All lines can drive the LED directly.)

• Capable of controlling the incorporation of 16 pull-up resistors by software

• Capable of controlling the incorporation of 4 pull-up resistors by mask option

• 1.05 MHz, 524 kHz, or 65.5 kHz (when operating at 4.19 MHz)

• Applicable to remote controller output

8-bit basic interval timer (watchdog timer applicable)

• 8 bits

• Two transfer modes (three-wire synchronous mode and SBI mode)

One external and two internal interrupts

One external input (See Chapter 6 for details.)

STOP/HALT mode

• Bit manipulation instructions (set, clear, test, and Boolean operation)

• 1-byte relative branch instructions

• 4-bit operation instructions (add, Boolean operation, and compare)

• 4- and 8-bit transfer instructions

• 28-pin plastic DIP (600 mil)

• 28-pin plastic shrink DIP (400 mil)

• 44-pin plastic QFP (10 × 10 mm)

2

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