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changes to these specifications at any time without notice Microcomputer Products may have minor variations to this specification known as errata

March 1996

COPYRIGHT

INTEL CORPORATION 1996

Order Number 272814-001

8XC151SASB

HIGH-PERFORMANCE

CHMOS MICROCONTROLLER

CommercialExpress

Y

MCS

51 Microcontroller Compatible

Instruction Set

Y

Pin Compatible with 44-lead PLCC and

40-lead PDIP MCS 51 Sockets

Y

Fast Instruction Pipeline

Y

16-bit Internal Code Fetch

Y

8-bit Min 2-clock External Code Fetch

in Page Mode

Y

User-selectable Configurations

External Wait States (0-3 wait states)

Page Mode

Y

64K External Code Memory Space

Y

64K External Data Memory Space

Y

ROMOTPROM Options

8 Kbytes (SA) 16 Kbytes (SB)

or without ROMOTPROM

Y

256 Bytes On-Chip RAM

Y

Power Management

Idle Mode

Powerdown Mode

Y

32 Programmable IO Lines

Y

Seven Maskable Interrupt Sources with

Four Programmable Priority Levels

Y

Three Flexible 16-bit Timercounters

Y

Hardware Watchdog Timer

Y

Programmable Counter Array

High-speed Output

CompareCapture Operation

Pulse Width Modulator

Watchdog Timer

Y

Programmable Serial IO Port

Framing Error Detection

Automatic Address Recognition

Y

High-performance CHMOS Technology

Y

Static Standby to 16-MHz Operation

Y

Package Options (PDIP PLCC)

The 8XC151SASB has an MCS 51 microcontroller compatible instructon set It is available in 40-pin PDIP and

44-lead PLCC compatible with the MCS 51 microcontroller The 8XC151SASB has 256 bytes of on-chip RAM

and is available in 816 Kbytes of on-chip ROMOTPROM or without ROMOTPROM A variety of new

features such as programmable wait states page mode and extended ALE can be selected using the new

user-programmable configuration