H83318 datasheet(21/574 Pages) RENESAS

21 / 574 page

Table 1.1

Features (cont)

Item

Description

8-bit timer

(2 channels)

Each channel has

• One 8-bit up-counter (can also count external events)

• Two time constant registers

Programmable

timing pattern

controller (TPC)

• Maximum 16-bit pulse output, using FRT as time base

• Up to four 4-bit pulse output groups (or one 16-bit group, or two 8-bit

groups)

• Non-overlap mode available

• Output data can be transferred by DTU

Watchdog timer

(WDT)

(1 channel)

• Overflow or NMI interrupt can reset the chip

• Also usable as interval timer

Serial

communication

interface (SCI)

(2 channels)

• Asynchronous or synchronous mode (selectable)

• Full duplex: can transmit and receive simultaneously

• On-chip baud rate generator

A/D converter

• 10-bit resolution

• Eight channels: single or scan mode (selectable)

• Start of A/D conversion can be externally triggered

• Sample-and-hold function

I/O ports

• 58 input/output lines (16 of which can drive LEDs)

• Eight input-only lines

Interrupts

• Nine external interrupt lines: NMI, IRQ

0 to IRQ7

• 33 on-chip interrupt sources

Operating

modes

• Expanded mode with on-chip ROM disabled (mode 1)

• Expanded mode with on-chip ROM enabled (mode 2)

• Single-chip mode (mode 3)

Power-down

modes

• Sleep mode

• Software standby mode

• Hardware standby mode

Other features

• On-chip oscillator

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