1. Features
• 80C52 Compatible
– 8051 pin and instruction compatible
– Four 8-bit I/O ports
– Three 16-bit timer/counter...
1. Features
80C52 Compatible
– 8051 pin and instruction compatible
– Four 8-bit I/O ports
– Three 16-bit timer/counters
– 256 bytes scratchpad RAM High-Speed Architecture
– 40 MHz @ 5V, 30MHz @ 3V
– X2 Speed Improvement capability (6 clocks/machine cycle)
– 30 MHz @ 5V, 20 MHz @ 3V (Equivalent to
– 60 MHz @ 5V, 40 MHz @ 3V) Dual Data Pointer On-chip ROM/EPROM (16K-bytes, 32K-bytes, 64K-bytes) On-chip eXpanded RAM (XRAM) (256 or 768 bytes) Programmable Clock Out and Up/Down Timer/Counter 2 Programmable Counter Array with
– High Speed Output,
– Compare / Capture,
– Pulse Width Modulator,
– Watchdog Timer Capabilities Hardware Watchdog Timer (One-time enabled with Reset-Out) 2 extra 8-bit I/O ports available on RD2 with high pin count packages Asynchronous port reset Interrupt Structure with
– 7 Interrupt sources,
– 4 level priority interrupt system Full duplex Enhanced UART
– Framing error detection
– Automatic address recognition Low EMI (inhibit ALE) Power Control modes
– Idle mode
– Power-down mode
– Power-off Flag Once mode (On-chip Emulation) Power supply: 4.5-5V, 2.7-5.5V Temperature ranges: Commercial (0 to 70oC) and Industrial (-40 to 85oC) Packages: PDIL40, PLCC44, VQFP44 1.4, PLCC68, VQFP64 1.4
2. Description
Atmel TS8xC51Rx2 is a high performance
CMOS ROM, OTP, EPROM and ROMless versions of the 80C51
CMOS single chip 8-bit microcontroller.
The TS8xC51Rx2 retains all features of the 80C51 with extended ROM/EPROM capacity (16/32/64 K...