TSC87251G1A
3. Features
D Pin–Out and software compatibility with standard
D Secured 14–bit Hardware Watchdog Timer
D Power Monitoring and Management
80C51 products and 80C51FA/FB/RA/RB
D Plug–in replacement of Intel’s 80C251Sx
G
G
G
G
G
Power–Fail reset
R
D C251 core: Intel’s MCS 251 step A compliance
Power–On reset (integrated on the chip)
Power–Off flag (cold and warm resets)
Software programmable system clock
Idle and Power–Down modes
G
G
G
G
G
125 ns Instruction cycle time at 16 MHz
40–byte Register File
Registers Accessible as Bytes, Words or Dwords
Six–stage instruction Pipeline
D Keyboard interrupt interface on Port 1
16–bit Internal Code Fetch
D ONCE mode and full speed Real–Time In–Circuit
D Enriched C51 Instruction Set
Emulation support (Third Party Vendors)
G
G
G
16–bit and 32–bit ALU
D Speed ranges:
Compare and Conditional Jump Instructions
Expanded Set of Move Instructions
G
0 to 16 MHz
D Supply ranges:
D Linear Addressing
G
5 V ±10 %
D 1 Kbyte of on–chip RAM
D Temperature ranges:
D External memory space (Code/Data) programmable
G
G
G
Commercial (0°C to +70°C)
from 64 Kbytes to 256 Kbytes
Industrial (–40°C to +85°C)
D TSC87251G1A: 16 Kbytes of on–chip EPROM/
OTPROM (production with TSC83251G1D:
on–chip masked ROM version)
Option: extended range (–55°C to +125°C)
D Packages:
D SINGLE–PULSE Programming Algorithm
G
G
G
PDIL 40, PLCC 44
D Four 8–bit parallel I/O Ports (Ports 0, 1, 2 and 3 of the
UV–Window CQPJ 44
standard 80C51)
Options: known good dice and ceramic packages
D Serial I/O Port: full duplex UART (80C51
compatible) with independent Baud Rate Generator
D SSLC: Synchronous Serial Link Controller
2
G
G
I C master only protocol
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
G
Compatible with Intel’s Programmable Counter
Array (PCA)
Common 16–bit Timer/Counter reference with
four possible clock sources (Fosc/4, Fosc/12,
Timer 1 and external input)
G
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
16–bit Watchdog Timer/Counter capability
2
Rev. A – September 21, 1998
TEMIC [ TEMIC SEMICONDUCTORS ]
