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TSC87251G1A Datasheet, PDF (2/52 Pages) TEMIC Semiconductors – Extended 8-bit Microcontroller with Serial Communication | |||
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TSC87251G1A
3. Features
D PinâOut and software compatibility with standard
80C51 products and 80C51FA/FB/RA/RB
D Plugâin replacement of Intelâs 80C251Sx
D C251 core: Intelâs MCSR251 step A compliance
G 125 ns Instruction cycle time at 16 MHz
G 40âbyte Register File
G Registers Accessible as Bytes, Words or Dwords
G Sixâstage instruction Pipeline
G 16âbit Internal Code Fetch
D Enriched C51 Instruction Set
G 16âbit and 32âbit ALU
G Compare and Conditional Jump Instructions
G Expanded Set of Move Instructions
D Linear Addressing
D 1 Kbyte of onâchip RAM
D External memory space (Code/Data) programmable
from 64 Kbytes to 256 Kbytes
D TSC87251G1A: 16 Kbytes of onâchip EPROM/
OTPROM (production with TSC83251G1D:
onâchip masked ROM version)
D SINGLEâPULSE Programming Algorithm
D Four 8âbit 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 16âbit Timers/Counters (Timers 0, 1 and 2 of
the standard 80C51)
D EWC: Event and Waveform Controller
G Compatible with Intelâs Programmable Counter
Array (PCA)
G Common 16âbit Timer/Counter reference with
four possible clock sources (Fosc/4, Fosc/12,
Timer 1 and external input)
G Five modules with four programmable modes:
â 16âbit software Timer/Counter
â 16âbit Timer/Counter Capture Input and
software pulse measurement
â Highâspeed output and 16âbit software Pulse
Width Modulation (PWM)
â 8âbit hardware PWM without overhead
G 16âbit Watchdog Timer/Counter capability
2
D Secured 14âbit Hardware Watchdog Timer
D Power Monitoring and Management
G PowerâFail reset
G PowerâOn reset (integrated on the chip)
G PowerâOff flag (cold and warm resets)
G Software programmable system clock
G Idle and PowerâDown modes
D Keyboard interrupt interface on Port 1
D ONCE mode and full speed RealâTime InâCircuit
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 (â40°C to +85°C)
G Option: extended range (â55°C to +125°C)
D Packages:
G PDIL 40, PLCC 44
G UVâWindow CQPJ 44
G Options: known good dice and ceramic packages
Rev. A â September 21, 1998
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