MB8994X 데이터 시트보기 (PDF) - Fujitsu

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MB8994X

8-bit Proprietary Microcontroller

Fujitsu 

MB89940 Series

(Continued)

• 5.0 V single power supply (VPP required for MB89P945)

• 0.8 µm CMOS technology (MB89PV940 and MB89P945)

• 0.5 µm CMOS technology (MB89943)

• On-chip voltage regulator for internal 3.0 V power supply (MB89943)

s PRODUCT LINEUP

Part number

Item

MB89943

MB89P945

MB89PV940

Classification

ROM size

RAM size

CPU functions

Ports

Timebase timer

8-bit/16-bit timer

Watchdog Reset

Stepping motor

controller

8-bit PWM timers

External interrupt

A/D converter

LCD controller

Low supply voltage

reset

External voltage

monitor interrupt

Standby modes

Operating

voltage*2

Mass-produced products

(mask ROM products)

One-time PROM

Piggyback

8 K × 8 bits

(internal mask ROM)

16 K × 8 bits

(internal PROM)

32 K × 8 bits

(external on piggyback)

512 × 8 bits

1 K × 8 bits

The number of instructions: 136

Instruction cycle:

0.5 µs*1@8 MHz

Interrupt response time: 4.0 µs*1@8 MHz

Multiply instruction time: 19 instruction cycles

Divide instruction time:

21 instruction cycles

Direct addressing memory-to/from-register data transfer:

7 instruction cycles

Output:

Input/Output:

5-bit N-ch open-drain

Two 8-bit CMOS schmitt I/Os and 8-bit CMOS I/Os

21 bits

Interrupt interval: 1 ms, 4.1 ms, 32.8 ms or 524.3 ms

Can be used as two 8-bit timers or one 16-bit timer

Operation clock: 1 µs, 16 µs, 256 µs or external *1

Reset interval: Approx. 524 ms to 1049 ms

Two 8-bit PWM pulse generators

Synchronized 4-channel high current output

Operation clock: 250 ns, 500 ns, 1 µs or 4 µs*1

Two 8-bit PWM timers

3 channels, selective positive edge or negative edge trigger

8-bit resolution, two-channel input

Conversion time: 44 instruction cycles for A/D conversion, 12 instruction cycles

for sense mode operation

4-common and 17-segment outputs

Number of outputs programmable

Autonomous reset when low supply voltage

Reset voltage: 3.3 V, 3.6 V, 4.0 V

Interrupts when voltage at external pin is lower than the reference voltage

Stop mode and sleep mode

3.5 V to 5.5 V

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