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¡ Semiconductor

MSM65352/65352B

¡ Semiconductor

MSM65352/65352B

8-Bit Microcontroller with 4-Bit A/D Converter (with LCD Driver)

GENERAL DESCRIPTION

The MSM65352 is a high performance 8-bit microcontroller that employs OKI original CPU core,

the nX-8/50. The MSM65352 includes 8K-byte program memory, 256-byte data memory, LCD

driver, timer, serial I/O and 4-bit A/D converter. Also available is the MSM65352B, which has four

LCD outputs in place of four output ports. Also available are the MSM65P352 and MSM65P352B,

which replace the on-chip program memory with one-time PROM.

FEATURES

• Operating range

Operating voltage

:

2.7V to 5.5V

Operating temperature

:

–20

°C to +70°C

Operating frequency:

High speed side

:

(dual clock)

:

Low speed side

:

• Current consumption (Typ.): High speed side

:

Low speed side

:

• Minimum instruction execution time :

400ns (@10MHz), 800ns (@5MHz)

• CPU core

:

8-bit CPU core nX-8/50

• General memory space

:

8K-byte program memory

• Local memory space

:

256-byte data memory + SFR

• LCD driver

:

16 ¥ 4 (MSM65352), 20 ¥ 4 (MSM65352B)

• I/O port

:

5 ports, 31 bits (MSM65352)

4 ports, 27 bits (MSM65352B)

Input-output port

:

2 ports ¥ 8 bits, 1 port ¥ 1 bit

Input port

:

1 port ¥ 1 bit

1 port ¥ 4 bits (Only for MSM65352)

Output port

:

1 port ¥ 8 bits, 1 port ¥ 1 bit

• Timer

:

8-bit auto-reload timer ¥ 2

Watchdog timer ¥ 1

Watch timer

(counter clock is fixed at XT=32.768kHz)

• Counter

:

Time base counter ¥ 1 (14 bits)

• Serial I/O

:

1ch, clock sync ¥ 1

• A/D converter

:

4-bit ¥ 8-ch, with reference current cutoff function

• Remote control input circuit

:

Receives signal in 32kHz/5MHz/10MHz operations

• Interrupt source

:

9 sources

• Package:

64-pin plastic QFP (QFP64-P-1414-0.80-BK)(Product name: MSM65352-¥¥¥GS-BK,

MSM65352B-¥¥¥GS-BK)

¥¥¥ indicates the code number.

E2E1019-27-Y3

This version: Jan. 1998

Previous version: Nov. 1996