N80C51GB
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
8 Kbytes On-Chip ROM/OTP ROM
256 Bytes of On-Chip Data RAM
Two Programmable Counter Arrays
with:
2 x 5 High Speed Input/Output
Channels Compare/Capture
Pulse Width Modulators
Watchdog Timer Capabilities
Three 16-Bit Timer/Counters with
Four Programmable Modes:
Capture, Baud Rate Generation
(Timer 2)
Dedicated Watchdog Timer
8-Bit, 8-Channel A/D with:
Eight 8-Bit Result Registers
Four Programmable Modes
Programmable Serial Channel with:
Framing Error Detection
Automatic Address Recognition
Serial Expansion Port
Programmable Clock Out
Extended Temperature Range:
(b40§C to a85§C)
48 Programmable I/O Lines with
40 Schmitt Trigger Inputs
15 Interrupt Sources with:
7 External, 8 Internal Sources
4 Programmable Priority Levels
Pre-Determined Port States on Reset
High Performance CHMOS Process
TTL and CHMOS Compatible Logic
Levels
Power Saving Modes
64K External Data Memory Space
64K External Program Memory Space
Three Level Program Lock System
ONCE (ON-Circuit Emulation) Mode
Quick Pulse Programming Algorithm
MCSÉ 51 Microcontroller Fully
Compatible Instruction Set
Boolean Processor
Oscillator Fail Detect
Available in 68-Pin PLCC