MSM63184A Просмотр технического описания (PDF) - Oki Electric Industry

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производитель

MSM63184A

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

Oki Electric Industry 

¡ Semiconductor

MSM63184A

• 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

Data length

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

: 8 bits

• Interrupt sources

External interrupt

Internal interrupt

:3

: 7 (watchdog timer interrupt is a nonmask-

able interrupt)

• Operating voltage

When backup used

When backup not 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)

: 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)

Chip

: (Product name: MSM63184A-xxxGS-K)

: (Product name: MSM63184A-xxx)

xxx indicates a code number.

Differences Between the MSM63184B and the MSM63184A

The MSM63184A has the following improved characteristics.

• Supply currents (IDD1, IDD2, IDD3) in DC characteristics

• The VDDL voltage during a halt of high-speed clock oscillation

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