MB90437LPF datasheet(3/61 Pages) CYPRESS

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MB90435 Series

DS07-13727-2E

• Instruction set to optimize controller applications

Rich data types (bit, byte, word, long word)

Rich addressing mode (23 types)

Enhanced signed multiplication/division instruction and RETI instruction functions

Enhanced precision calculation realized by the 32-bit accumulator

• Instruction set designed for high level language (C language) and multi-task operations

Adoption of system stack pointer

Enhanced pointer indirect instructions

Barrel shift instructions

• Program patch function (for two address pointers)

• Enhanced execution speed : 4-byte Instruction queue

• Enhanced interrupt function : 8 levels, 34 factors

• Automatic data transmission function independent of CPU operation

Extended intelligent I/O service function (EI2OS)

• Embedded ROM size and types

Mask ROM : 64 Kbytes / 128 Kbytes / 256 Kbytes

Flash ROM : 128 Kbytes/256 Kbytes

Embedded RAM size : 2 Kbytes/4 Kbytes/6 Kbytes/8 Kbytes (evaluation chip)

•Flash ROM

Supports automatic programming, Embedded Algorithm

Write/Erase/Erase-Suspend/Resume commands

A flag indicating completion of the algorithm

Hard-wired reset vector available in order to point to a fixed boot sector in Flash Memory

Erase can be performed on each block

Block protection with external programming voltage

• Low-power consumption (stand-by) mode

Sleep mode (mode in which CPU operating clock is stopped)

Stop mode (mode in which oscillation is stopped)

CPU intermittent operation mode

Clock mode

Hardware stand-by mode

•Process

0.5

µm CMOS technology

• I/O port

General-purpose I/O ports : 81 ports

•Timer

Watchdog timer : 1 channel

8/16-bit PPG timer : 8/16-bit

× 4 channels

16-bit re-load timer : 2 channels

• 16-bit I/O timer

16-bit free-run timer : 1 channel

Input capture : 8 channels

Output compare : 4 channels

• Extended I/O serial interface : 1 channel

•UART 0

With full-duplex double buffer (8-bit length)

Clock asynchronized or clock synchronized (with start/stop bit) transmission can be selectively used.

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