H83936 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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H83936

Hardware Manual

Hitachi -> Renesas Electronics 

Item

Memory

I/O ports

Timers

Serial

communication

interface

Description

Large on-chip memory

• H8/3935, H8/3935R: 40-kbyte ROM, 2-kbyte RAM

• H8/3936, H8/3936R: 48-kbyte ROM, 2-kbyte RAM

• H8/3937, H8/3937R: 60-kbyte ROM, 2-kbyte RAM

67 pins

• 59 I/O pins

• 8 input pins

• 5 internal I/O

• 1 internal input

Five on-chip timers

• Timer A: 8-bit timer

Count-up timer with selection of eight internal clock signals divided from the

system clock (ø)* and four clock signals divided from the watch clock (øw)*

• Timer C: 8-bit timer

 Count-up/down timer with selection of seven internal clock signals or event

input from external pin

 Auto-reloading

• Timer F: 16-bit timer

 Can be used as two independent 8-bit timers

 Count-up timer with selection of four internal clock signals or event input

from external pin

 Provision for toggle output by means of compare-match function

• Timer G: 8-bit timer

 Count-up timer with selection of four internal clock signals

 Incorporates input capture function (built-in noise canceler)

• Watchdog timer

 Reset signal generated by overflow of 8-bit counter

Two serial communication interface channels on chip

Internal serial communication interface function

• SCI1: Synchronous serial interface

8-bit or 16-bit transfer data can be selected

Used for interface to on-chip FLEX™ decoder

• SCI31: 8-bit synchronous/asynchronous serial interface

Incorporates multiprocessor communication function

• SCI32: 8-bit synchronous/asynchronous serial interface

Incorporates multiprocessor communication function

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