8XC151SA SB
HIGH-PERFORMANCE
CHMOS MICROCONTROLLER
Commercial Express
Y
MCS 51 Microcontroller Compatible
Instruction Set
Pin Compatible with 44-lead PLCC and
40-lead PDIP MCS 51 Sockets
Fast Instruction Pipeline
16-bit Internal Code Fetch
8-bit Min 2-clock External Code Fetch
in Page Mode
User-selectable Configurations
External Wait States (0-3 wait states)
Page Mode
64K External Code Memory Space
64K External Data Memory Space
ROM OTPROM Options
8 Kbytes (SA) 16 Kbytes (SB)
or without ROM OTPROM
256 Bytes On-Chip RAM
Y
Y
Power Management
Idle Mode
Powerdown Mode
32 Programmable I O Lines
Seven Maskable Interrupt Sources with
Four Programmable Priority Levels
Three Flexible 16-bit Timer counters
Hardware Watchdog Timer
Programmable Counter Array
High-speed Output
Compare Capture Operation
Pulse Width Modulator
Watchdog Timer
Programmable Serial I O Port
Framing Error Detection
Automatic Address Recognition
High-performance CHMOS Technology
Static Standby to 16-MHz Operation
Package Options (PDIP PLCC)
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
The 8XC151SA SB 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 8XC151SA SB has 256 bytes of on-chip RAM
and is available in 8 16 Kbytes of on-chip ROM OTPROM or without ROM OTPROM A variety of new
features such as programmable wait states page mode and extended ALE can be selected using the new
user-programmable configuration
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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
COPYRIGHT
INTEL CORPORATION 1996
March 1996
Order Number 272814-001