MSM63184B datasheet(3/29 Pages) OKI

Part #	MSM63184B

Description	4-Bit Microcontroller with Built-in 640-Dot Matrix LCD Drivers, Operating at 0.9 V (Min.)

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Manufacturer	OKI [OKI electronic componets]

Direct Link	http://www.oki.com

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MSM63184B

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• Timers and counter

Watchdog timer ¥ 1

Overflows in 2 sec.

100 Hz timer ¥ 1

Measurable in steps of 1/100 sec.

15-bit time base counter ¥ 1

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

• Shift register

Shift clock

: 1x or 1/2x system clock; external clock

Data length

: 8 bits

• Interrupt sources

External interrupt

: 3

Internal interrupt

: 7 (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:

128-pin plastic QFP (QFP128-P-1420-0.50-K)

: (Product name: MSM63184B-xxxGS-K)

Chip

: (Product name: MSM63184B-xxx)

xxx indicates a code number.

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