UPD17072 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

View to exact match

UPD17072

4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM

NEC => Renesas Technology 

DATA SHEET

MOS INTEGRATED CIRCUIT

µPD17072,17073

4-BIT SINGLE-CHIP MICROCONTROLLER

WITH HARDWARE FOR DIGITAL TUNING SYSTEM

DESCRIPTION

µPD17072 and 17073 are low-voltage 4-bit single-chip CMOS microcontrollers containing hardware ideal for

organizing a digital tuning system.

The CPU employs 17K architecture and can manipulate the data memory directly, perform arithmetic operations,

and control peripheral hardware with a single instruction. All the instructions are 16-bit one-word instructions.

As peripheral hardware, a prescaler that can operate at up to 230 MHz for a digital tuning system, a PLL frequency

synthesizer, and an intermediate frequency (IF) counter are integrated in addition to I/O ports, an LCD controller/driver,

A/D converter, and BEEP.

Therefore, a high-performance, multi-function digital tuning system can be configured with a single chip of

µPD17072 or 17073.

Because the µPD17072 and 17073 can operate at low voltage (VDD = 1.8 to 3.6 V), they are ideal for controlling

battery-cell driven portable devices such as portable radio equipment, headphone stereos, or radio cassette

recorders.

FEATURES

• 17K architecture: general-purpose register system

• Program memory (ROM)

6 KB (3072 × 16 bits): µPD17072

8 KB (4096 × 16 bits): µPD17073

• General-purpose data memory (RAM)

176 × 4 bits

• Instruction execution time

53.3 µs (with 75-kHz crystal resonator: normal operation)

106.6 µs (with 75-kHz crystal resonator: low-speed mode)

• Decimal operation

• Table reference

• Hardware for PLL frequency synthesizer

Dual modulus prescaler (230 MHz max.), programmable divider, phase comparator, charge pump

• Various peripheral hardware

General-purpose I/O ports, LCD controller/driver, serial interface, A/D converter, BEEP, intermediate frequency

(IF) counter

• Many interrupts

External: 1 channel

Internal: 2 channels

• Power-ON reset, CE reset, and power failure detector

• CMOS low power consumption

• Supply voltage: VDD = 1.8 to 3.6 V

Unless otherwise stated, the µPD17073 is taken as a representative product in this document.

The information in this document is subject to change without notice.

Document No. U11450EJ1V0DS00 (1st edition)

Date Published September 1996 P

Printed in Japan

©

1996

Share Link: