MSM63238 datasheet(3/32 Pages) OKI

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¡ Semiconductor

MSM63238

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• Timers and counter

8-bit timer ¥ 4

Selectable as auto-reload mode/capture mode/clock frequency measurement mode

Watchdog timer ¥ 1

15-bit time base counter ¥ 1

1, 2, 4, 8, 16, 32, 64, and 128 Hz signals can be read

• Serial port

Mode

: UART mode, synchronous mode

UART communication speed

: 1200 bps, 2400 bps, 4800 bps, 9600 bps

Clock frequency in synchronous mode

: 32.768 kHz (internal clock mode), external

clock frequency

Data length

: 5 to 8 bits

• Interrupt sources

External interrupt

: 3

Internal interrupt

: 15 (watchdog timer interrupt is a nonmask-

able interrupt)

• Operating voltage

When backup used

: 0.9 to 2.7 V

(Low-speed clock operating)

1.2 to 2.7 V

(Operating frequency: 300 to 500 kHz)

1.5 to 2.7 V

(Operating frequency: 200 kHz to 1 MHz)

When backup not used

: 1.8 to 5.5 V

(Operating frequency: 300 to 500 kHz)

2.2 to 5.5 V

(Operating frequency: 300 kHz to 1 MHz)

2.7 to 5.5 V

(Operating frequency: 200 kHz to 2 MHz)

• Package options:

80-pin plastic QFP (QFP80-P-1420-0.80-BK)

: (Product name: MSM63238-xxxGS-BK)

100-pin plastic TQFP (TQFP100-P-1414-0.50-K) : (Product name: MSM63238-xxxTS-K)

Chip

: MSM63238-xxx

xxx indicates a code number.

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