MB89490 データシートの表示（PDF） - Fujitsu

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MB89490

8-bit Proprietary Microcontroller

Fujitsu 

MB89490 Series

Part number

Parameter

MB89497

MB89498

MB89F499

MB89PV490

CPU functions

Ports

21-bit timebase

timer

Watchdog timer

PWM timer 0,1

8/16-bit timer/

counter 00, 01

8/16-bit timer/

counter 10, 11

External interrupt 0

(edge)

External interrupt 1

(level)

A/D converter

Number of instructions

Instruction bit length

Instruction length

Data bit length

Minimum execution time

Minimum interrupt processing time

I/O ports (CMOS)

Input ports (CMOS)

N-channel open drain I/O ports

Total

: 136

: 8 bits

: 1 to 3 bytes

: 1, 8, 16 bits

: 0.32 µs/12.5 MHz

: 2.88 µs/12.5 MHz

: 56 pins

: 2 pins

: 8 pins

: 66 pins

Interrupt period (0.66 ms, 2.6 ms, 21.0 ms, 335.5 ms) at 12.5 MHz

Reset period (167.8 ms to 335.5 ms) at 12.5 MHz.

8-bit reload timer operation (supports square wave output, operating clock period: 1, 8, 16, 64

tinst,)

8-bit resolution PWM operation

Can be operated either as a 2-channel 8-bit timer/counter (timer 00 and timer 01, each with its

own independent operating clock cycle), or as one 16-bit timer/counter

In timer 00 or 16-bit timer/counter operation, event counter operation (external clock-triggered)

and square wave output capability

Can be operated either as a 2-channel 8-bit timer/counter (timer 10 and timer 11, each with its

own independent operating clock cycle), or as one 16-bit timer/counter

In timer 10 or 16-bit timer/counter operation, event counter operation (external clock-triggered)

and square wave output capability

8 independent channels (selectable edge, interrupt vector, request flag)

8 channels (low level interrupt)

10-bit resolution × 8 channels

A/D conversion function (conversion time: 38 tinst )

Supports repeated activation by internal clock

Common output

LCD controller/driver

Segment output

Bias power supply pins

LCD display RAM size

: 4 (max.)

: 32 (max.)

:3

: 32 × 4 bits

UART/SIO

Synchronous/asynchronous data transfer capability

(Max. baud rate: 97.656 Kbps at 12.5 MHz)

(7 and 8 bits with parity bit; 8 and 9 bits without parity bit)

SIO

8-bit serial I/O with LSB first/MSB first selectability

One clock selectable from four operation clock (one external shift clock, three internal shift

clock: 0.64µs, 2.56µs, 10.24µs at 12.5MHz)

I2C*1

1 channel

Use a 2-wire protocol to communicate with other device

Remote receiver

Selectable maximum noise width removal

Reversible input polarity

Standby mode

Sleep mode, stop mode, watch mode, sub-clock mode

Process

CMOS

Operating voltage

2.2V ~ 3.6V

2.7V ~ 3.6V

2.7V ~ 3.6V

*1 : I2C is complied to Philips I2C specification.

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