UPD17708 datasheet(2/356 Pages) NEC

2 / 356 page

µPD17704, 17705, 17707, 17708, 17709

ORDERING INFORMATION

Part Number

Package

µPD17704GC-×××-3B9

80-pin plastic QFP (14

× 14 mm, 0.65 mm pitch)

µPD17705GC-×××-3B9

80-pin plastic QFP (14

× 14 mm, 0.65 mm pitch)

µPD17707GC-×××-3B9

80-pin plastic QFP (14

× 14 mm, 0.65 mm pitch)

µPD17708GC-×××-3B9

80-pin plastic QFP (14

× 14 mm, 0.65 mm pitch)

µPD17709GC-×××-3B9

80-pin plastic QFP (14

× 14 mm, 0.65 mm pitch)

Remark

××× indicates a ROM code number.

FUNCTIONAL OUTLINE

Part Number

µPD17704

µPD17705

µPD17707

µPD17708

µPD17709

Item

Program memory (ROM)

16K bytes

24K bytes (12288

× 16 bits)

32K bytes (16384

× 16 bits)

(8192

× 16 bits)

General-purpose data memory (RAM)

672

× 4 bits

1120

× 4 bits

1176

× 4 bits

Instruction execution time

1.78

µs (with fX = 4.5-MHz crystal oscillator)

General-purpose port

• I/O port

: 46 pins

• Input port : 12 pins

• Output port: 4 pins

Stack level

• Address stack : 15 levels

• Interrupt stack: 4 levels

• DBF stack

: 4 levels (can be manipulated via software)

Interrupt

• External: 6 sources (falling edge of CE pin, INT0 through INT4)

• Internal : 6 sources (timers 0 through 3, serial interfaces 0 and 1)

Timer

5 channels

• Basic timer (clock: 10, 20, 50, 100 Hz)

: 1 channel

• 8-bit timer with gate counter (clock: 1 k, 2 k, 10 k, 100 kHz) : 1 channel

• 8-bit timer (clock: 1 k, 2 k, 10 k, 100 kHz)

: 2 channels

• 8-bit timer multiplexed with PWM (clock: 440 Hz, 4.4 kHz)

: 1 channel

A/D converter

8 bits

× 6 channels (hardware mode and software mode selectable)

D/A converter (PWM)

3 channels (8-bit or 9-bit resolution selectable by software)

Output frequency: 4.4 kHz, 440 Hz (with 8-bit PWM selected)

2.2 kHz, 220 Hz (with 9-bit PWM selected)

Serial interface

2 units (3 channels)

• 3-wire serial I/O

: 2 channels

• 2-wire serial I/O/I2C bus : 1 channel

PLL frequency

Division mode

• Direct division mode (VCOL pin (MF mode) : 0.5 to 3 MHz)

synthesizer

• Pulse swallow mode (VCOL pin (HF mode) : 10 to 40 MHz)

(VCOH pin (VHF mode) : 60 to 130 MHz)

Reference frequency

13 types selectable (1, 1.25, 2.5, 3, 5, 6.25, 9, 10, 12.5, 18, 20, 25, 50 kHz)

Charge pump

Two error-out output pins (EO0, EO1)

Phase comparator

Unlock status detectable by program

UPD17708 Datasheet(PDF) 2 Page - NEC

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