UPD17933 datasheet(1/252 Pages) NEC

Part #	UPD17933

Description	4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

PDF	252 Pages

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Manufacturer	NEC [NEC]

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µPD17933,17934

MOS INTEGRATED CIRCUIT

Document No. U11947EJ2V0DS00 (2nd edition)

Date Published July 1998 N CP(K)

Printed in Japan

The

µPD17933 and 17934 are 4-bit single-chip CMOS microcontrollers with hardware for digital tuning

systems (DTSs).

These microcontrollers integrate a prescaler that operates at a voltage as low as 1.05 V and up to 220 MHz,

a PLL frequency synthesizer, an intermediate frequency (IF) counter, and an LCD controller/driver on a single

chip.

Therefore, a high-performance digital tuning system for a portable set can be organized with a single chip.

FEATURES

•

Program memory (ROM)

•

Peripheral hardware

µPD17933

: 12K bytes (6144

× 16 bits)

General-purpose I/O ports, LCD controller/driver,

µPD17934

: 16K bytes (8192

× 16 bits)

serial interface, A/D converter, BEEP output,

•

General-purpose data memory (RAM) )

frequency counter

448

× 4 bits

•

Interrupt

•

Instruction execution time

External: 1 source

53.3

µs (with 75-kHz crystal resonator)

Internal : 3 sources

•

PLL frequency synthesizer

•

Reset by RESET pin

Dual modulus prescaler (220 MHz MAX.),

•

Low power consumption

programmable divider, phase comparator,

•

Supply voltage: VDD = 1.05 to 1.8 V

charge pump

ORDERING INFORMATION

Part Number

Package

µPD17933GK-×××-BE9

80-pin plastic TQFP (12

× 12 mm, 0.5 mm pitch)

µPD17934GK-×××-BE9

80-pin plastic TQFP (12

× 12 mm, 0.5 mm pitch)

Remark

××× indicates ROM code suffix.

Unless otherwise specified, the

µPD17934 is explained as the representative model in this document.

4-BIT SINGLE-CHIP MICROCONTROLLERS

WITH DIGITAL TUNING SYSTEM HARDWARE

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

©

1997

DATA SHEET

The mark

shows major revised points.

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UPD17933 Datasheet(PDF) 1 Page - NEC

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