C164CI datasheet(10/53 Pages) INFINEON

10 / 53 page

Semiconductor Group

1998-02

C164CI

Functional Description

The C164CI is a low cost downgrade of the high performance microcontroller C167CR with OTP or

internal ROM, reduced peripheral functionality and a high performance Capture Compare Unit with

an additional functionality.

The architecture of the C164CI combines advantages of both RISC and CISC processors and of

advanced peripheral subsystems in a very well-balanced way. The following block diagram gives an

overview of the different on-chip components and of the advanced, high bandwidth internal bus

structure of the C164CI.

Note: All time specifications refer to a CPU clock of 20 MHz

(see definition in the AC Characteristics section).

Figure 3

Block Diagram

64K

Internal ROM

(C164CI-8RM)

or OTP

(C164CI-8EM)

PLL-Oscillator

progr. Multiplier:

0.5; 1; 1.5; 2;

2.5; 3; 4; 5

Instr./Data

Full-CAN

Interface

V2.0B

active

PEC

CPU Core

Interrupt Bus

Internal

RAM

2 KByte

Port 8

Port 3

Port 4

Port 1

Data

WDT

Port 5

C164CI V1.2

CPU

C166-Core

External

Bus

(8/16 bit;

MUX only)

XBUS

Control

External Instr./Data

Channel

10-Bit

ADC

USART

ASC

Sync.

Channel

(SPI)

SSC

General Purpose

Capture/Compare

Unit

8-Channel 16-bit

Capture/Compare Unit

(CAPCOM2)

Capture/Compare Unit for

PWM Generation (CAPCOM6)

3/6 Capture/Compare

Channels

XTAL

P4.5/CAN_RxD

P4.6/CAN_TxD

BRG

Peripheral Data

1 Compare

Channel

Interrupt Controller

up to 12

ext. IR

GPT 1

T 3

T 4

T 2

RTC

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