AS87C196CB20 datasheet(6/36 Pages) INTEL

6 / 36 page

87C196CB - Automotive

Production Datasheet

2.0

Block Diagram

The MCS 96 microcontroller family members are all high-performance microcontrollers with a

16-bit CPU. The 87C196CB is composed of the high-speed (20 MHz) macrocore with up to

16 Mbyte linear address space, 56 Kbytes of program EPROM, up to 1.5 Kbytes of register RAM,

and up to 512 bytes of code RAM (16-bit addressing modes) with the ability to execute from this

RAM space. It supports the high-speed, serial communications protocol CAN 2.0, with 15 message

objects of 8 bytes data length, an 8-channel, 10-bit / 3 LSB analog to digital converter with

programmable S/H times, and conversion times < 15

µs at 20 MHz. It has an

asynchronous/synchronous serial I/O port (SIO) with a dedicated 16-bit baud rate generator, an

additional synchronous serial I/O port (SSIO) with full duplex master/slave transceivers, a flexible

timer/counter structure with prescaler, cascading, and quadrature capabilities. There are ten

modularized, multiplexed, high-speed I/O for capture and compare (called Event Processor Array)

with 200 ns resolution and double buffered inputs, and a sophisticated prioritized interrupt

structure with programmable Peripheral Transaction Server (PTS) implementing several channel

modes, including single/burst block transfers from any memory location to any memory location, a

PWM and PWM toggle mode to be used in conjunction with the EPA, and an A/D scan mode.

Figure 1. 87C196CB - Automotive Block Diagram

A4606-01

A/D

Converter

Sync

Serial

Port and

Baud Gen

Watchdog

Timer

Event

Processor

Array

ALU

CPU

Microcode

Engine

Interrupt

Controller

512 Bytes

Internal RAM

56K On-chip

EPROM

(optional)

Peripheral

Transaction

Server

Memory

Controller

1.5K

Byte

File

S/H

MUX

Port 0

Serial

Port

Baud

Rate

Gen

Port 6

Port 1

Port 2

CAN 2.0

Timer 1

Timer 2

Queue

Port 6

SSIO

A/D

Port 0

Port 1

EPA

Port 2 /

Hold Control

RXCAN

TXCAN

Port 5

Control

Signals

Port 3

AD0-7

Port 4

AD8-15

EPORT

A16-23

VREF

ANGND

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