MB90F474LPF datasheet(2/118 Pages) FUJITSU

2 / 118 page

MB90470 Series

s FEATURES

• Clocks

Minimum instruction execution time :

50.0 ns at 5 MHz base oscillation with 4

× multiplier (internal operation at 20 MHz/3.3 V ± 0.3 V)

62.5 ns at 4 MHz base oscillation with 4

× multiplier (internal operation at 16 MHz/3.0 V ± 0.3 V)

Uses PLL clock multiplier.

• Maximum memory size

16 Mbytes

• Instruction set optimized for control applications

Handles bit, byte, word, long-word data

23 standard addressing modes

32-bit accumulator for enhanced high-precision calculation

Signed multiply-divide and expanded RETI instructions

• Instruction system compatible with high-level language (C) multitasking

System stack pointer

Instruction set correlation and barrel shift instructions

• Non-multi bus or multi-bus compatible

• Program patch function (for two address pointers)

• Improved execution speed

4-byte queue

• Powerful interrupt functions

8 external interrupt functions with 8-level programmable priority

• Data transfer functions (

µµµµDMA or Extended intelligent I/O service)

16 channels maximum

µDMA maximum assured operation frequency : 16 MHz

Extended intelligent I/O service maximum assured operation frequency : 20 MHz

• Built-in ROM

Flash versions : 256 KB, Mask ROM versions : 128 KB/256 KB

• Built-in RAM

10 KB/16 KB

• General purpose ports

84 ports maximum

(includes 16 ports with input pull-up resistance setting, 14 ports with output open drain setting)

• A/D converter

RC sequential comparator type, 8 channels

10-bit resolution, conversion time 4.65

µs (at 20 MHz operation)

• I2C interface

1 channel

•

µµµµPG

1 channel

• UART

1 channel

• I/O expansion serial interface (SIO)

2 channels

• 8/16-bit up/down timer

1 channel

• 16-bit PWC

3 channels (including 2-channel input comparison function)

(Continued)

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