MB89538HC datasheet(3/56 Pages) FUJITSU

Part #	MB89538HC

Description	8-bit Original Microcontroller CMOS

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Manufacturer	FUJITSU [Fujitsu Component Limited.]

Direct Link	http://edevice.fujitsu.com/fmd/en/index.html

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MB89530H Series

3

s

s PRODUCT LINEUP

(Continued)

Part number

Parameter

MB89537H/537HC

MB89538H/538HC

MB89P538

MB89PV530

Type

Mass produced (Mask ROM)

One-time

programmable

Evaluation

ROM capacity

32 K

× 8-bit

(built-in ROM)

48 K

× 8-bit

(built-in ROM)

48 K

× 8-bit

(built-in ROM)

(write from general

purpose ERPOM writer)

48 K

× 8-bit

(external ROM) *2

RAM capacity

1 K

× 8-bit

2 K

× 8-bit

Operating voltage

3.5 V to 5.5 V*1

(MB89537H/538H/537HC/538HC)

2.7 V to 5.5 V

CPU functions

Basic instructions

: 136

Instruction bit length

: 8-bits

Instruction length

: 1 bit to 3 bits

Data bit length

: 1, 8, 16-bits

Minimum instruction execution time : 0.32

µs / 12.5 MHz

Minimum interrupt processing time : 2.88

µs / 12.5 MHz

Ports

Input ports

: 5 (4 also usable as interrupts, 2 for sub clock)

Output-only ports (N-ch open drain)

: 8 (8 also usable as ADC input)

I/O ports (N-ch open drain)

: 2 (2 also usable as SO2/SDA or SI2/SCL)

I/O ports (CMOS)

: 38 (21 have no other function)

Total

: 53

Time base timer

21 bits

Interrupt periods at main clock oscillation frequency of 12.5 MHz

(approx. 0.655 ms, 2.621 ms, 20.97 ms, 335.5 ms)

Watchdog timer

Reset period of approx. 167.8 ms to 335.6 ms at mail clock frequency of 12.5 MHz

Reset period of approx. 500 ms to 1000 ms at sub clock frequency of 32.768 kHz.

PWM timer

8-bit interval timer operation*3

(supports square wave output, operating clock period : 1, 8, 16, 64 tinst*3)

Pulse width measurement with 8-bit resolution (conversion period : 28 tinst*3 to 28

× 64 tinst*3)

2 channels (can also be used as interval timer, can also be used as ch1 output and ch2

count clock)

Clock prescaler

Interval times at 17-bit sub clock base frequency of 32.768 kHz

(approx. 31.25 ms, 0.25 s, 0.50 s, 1.00 s, 2.00 s, 4.00 s)

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MB89538HC Datasheet(PDF) 3 Page - Fujitsu Component Limited.

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