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TSC87251G1A Datasheet, PDF (2/52 Pages) TEMIC Semiconductors – Extended 8-bit Microcontroller with Serial Communication
TSC87251G1A
3. Features
D Pin–Out and software compatibility with standard
80C51 products and 80C51FA/FB/RA/RB
D Plug–in replacement of Intel’s 80C251Sx
D C251 core: Intel’s MCSR251 step A compliance
G 125 ns Instruction cycle time at 16 MHz
G 40–byte Register File
G Registers Accessible as Bytes, Words or Dwords
G Six–stage instruction Pipeline
G 16–bit Internal Code Fetch
D Enriched C51 Instruction Set
G 16–bit and 32–bit ALU
G Compare and Conditional Jump Instructions
G Expanded Set of Move Instructions
D Linear Addressing
D 1 Kbyte of on–chip RAM
D External memory space (Code/Data) programmable
from 64 Kbytes to 256 Kbytes
D TSC87251G1A: 16 Kbytes of on–chip EPROM/
OTPROM (production with TSC83251G1D:
on–chip masked ROM version)
D SINGLE–PULSE Programming Algorithm
D Four 8–bit parallel I/O Ports (Ports 0, 1, 2 and 3 of the
standard 80C51)
D Serial I/O Port: full duplex UART (80C51
compatible) with independent Baud Rate Generator
D SSLC: Synchronous Serial Link Controller
G I2C master only protocol
G µWire and SPI master only protocol
D Three 16–bit Timers/Counters (Timers 0, 1 and 2 of
the standard 80C51)
D EWC: Event and Waveform Controller
G Compatible with Intel’s Programmable Counter
Array (PCA)
G Common 16–bit Timer/Counter reference with
four possible clock sources (Fosc/4, Fosc/12,
Timer 1 and external input)
G Five modules with four programmable modes:
– 16–bit software Timer/Counter
– 16–bit Timer/Counter Capture Input and
software pulse measurement
– High–speed output and 16–bit software Pulse
Width Modulation (PWM)
– 8–bit hardware PWM without overhead
G 16–bit Watchdog Timer/Counter capability
2
D Secured 14–bit Hardware Watchdog Timer
D Power Monitoring and Management
G Power–Fail reset
G Power–On reset (integrated on the chip)
G Power–Off flag (cold and warm resets)
G Software programmable system clock
G Idle and Power–Down modes
D Keyboard interrupt interface on Port 1
D ONCE mode and full speed Real–Time In–Circuit
Emulation support (Third Party Vendors)
D Speed ranges:
G 0 to 16 MHz
D Supply ranges:
G 5 V ±10 %
D Temperature ranges:
G Commercial (0°C to +70°C)
G Industrial (–40°C to +85°C)
G Option: extended range (–55°C to +125°C)
D Packages:
G PDIL 40, PLCC 44
G UV–Window CQPJ 44
G Options: known good dice and ceramic packages
Rev. A – September 21, 1998