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Ordering number : EN5378

CMOS LSI

LC72322R, 72323R

Single-Chip Microcontroller with PLL

and LCD Driver

Overview

The LC72322R and LC72323R are single-chip

microcontrollers for use in electronic tuning applications.

These ICs include on chip both LCD drivers and a PLL

circuit that can operate at up to 150 MHz. The LC72322R

and LC72323R feature that these ICs are reversed pin-

assignment versions of LC72322 and LC72323

respectively and have the equal functions and

specifications to theirs respectively.

鈥?/div>

Functions

鈥?Stack: Eight levels

鈥?Fast programmable divider

鈥?General-purpose counters: HCTR for frequency

measurement and LCTR for frequency or period

measurement

鈥?LCD driver for displays with up to 56 segments

(1/2 duty, 1/2 bias)

鈥?Program memory (ROM): 4095 (8 KB) 16-bit digits:

LC72322R

3071 (6 KB) 16-bit digits:

LC72323R

鈥?Data memory (RAM): 256 4-bit digits

鈥?All instructions are single-word instructions

鈥?Cycle time: 2.67 碌s, 13.33 碌s, or 40.00 碌s (option)

鈥?Unlock FF: 0.55 碌s detection, 1.1 碌s detection

鈥?Timer FF:

1 ms, 5ms, 25ms, 125ms

鈥?Input ports*: One dedicated key input port and one

high-breakdown voltage port

鈥?Output ports*: Two dedicated key output ports, one

high-breakdown voltage open-drain port

Two CMOS output ports (of which one

can be switched to be used as LCD driver

outputs)

Seven CMOS output ports (mask option

switchable to use as LCD ports)

I/O ports*:

One switchable between input and output

in four-bit units and one switchable

between input and output in bit units

Note: * Each port consists of four bits.

Program runaway can be detected and a special address

set (Programmable watchdog timer).

Voltage detection type reset circuit

One 6-bit A/D converter

Two 8-bit D/A converters (PWM): LC72322R only

One external interrupt

Hold mode for RAM backup

Sense FF for hot/cold startup determination

PLL: 4.5 to 5.5 V

CPU: 3.5 to 5.5 V

RAM: 1.3 to 5.5 V

LC72P321R as OTP used

Package: QIP80DR

Package Dimensions

unit: mm

3223-QFP80DR

[LC72322R, LC72323R]

This LSI can easily use CCB that is SANYO鈥檚 original bus format.

鈥?CCB is a trademark of SANYO ELECTRIC CO., LTD.

鈥?CCB is SANYO鈥檚 original bus format and all the bus

addresses are controlled by SANYO.

SANYO: QIP80DR

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN

93096HA (OT) No. 5378-1/13

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LC72322R Datasheet

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