HD6433636SW datasheet(17/418 Pages) RENESAS

17 / 418 page

Table 1.1

Features (cont)

Item

Description

Memory

Large on-chip memory

• H8/3637S:

60-kbyte ROM, 2-kbyte RAM

• H8/3636S:

48-kbyte ROM, 2-kbyte RAM

• H8/3635S:

40-kbyte ROM, 2-kbyte RAM

I/O ports

66 I/O ports

• I/O pins: 61

• Input pins: 5

Timers

Five on-chip timers

• Timer A: 8-bit timer with built-in interval/watch clock time base function

 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 (ø

w)*

• Timer F: 16-bit timer with built-in output compare function

 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

 Compare-match function with toggle output

• Timer G: 8-bit timer with built-in input capture/interval functions

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

 Input capture function with built-in noise canceller circuit

• Timer Y: 16-bit timer with built-in interval/auto-reload functions

 Count-up timer with selection of seven internal clocks or event input

from external pin

 Auto-reload function

• Watchdog timer

 Reset signal generated on 8-bit timer overflow

Serial

communication

interface

Two serial communication interface channels on chip

• SCI1: synchronous serial interface

 Choice of 8-bit or 16-bit data transfer

• SCI3: 8-bit synchronous or asynchronous serial interface

 Built-in function for multiprocessor communication

Note: * ø and ø

w are defined in section 4, Clock Pulse Generators.

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