ST7291L2

Features:

 3 to 5.5V Supply Operating Range
8MHz Maximum Clock Frequency
Fully Static operation
0 to +70°C Operating Temperature Range (OTP)
 Run, Wait, Stop and RAM Retention modes
User EPROM/OTP:32 Kbytes
 Data RAM: /384 Bytes
 28 pin SO plastic packages for ST72T91 OTP version
28 pin Ceramic SO package for ST72E91 EPROM version
 21 Bidirectional I /O lines
 8 Interrupt Wake-Up programmable input lines
 16-bit Timer with Output Compare (no output pin).
 Interrupt Wake-up function
 Low Voltage Detector (LVD)
 IR Carrier Frequency Generator
 8-bit Data Manipulation
 63 Basic Instructions
 17 main Addressing Modes
 8x8 Unsigned Multiply instruction
 True Bit Manipulation
 Complete Development Support on PC/DOS/ Windows 3.1x/95/NT with Real-Time Emulator
 Full Software Package (Cross-Assembler,Debugger)
 Full Hardware Emulator



Pinout




Description

  The ST7291L2 CMOS Microcontroller Unit is a member of the ST7 family of microcontrollers. The device is based on an industry-standard 8-bit core and features an enhanced instruction set. Oscillator frequency may be as high as 8MHz, however, thanks to the fully static design, operation is possible down to DC. Under software control, the ST7291L may be placed in either WAIT or HALT modes, thus reducing power consumption.

   The enhanced instruction set and addressing modes afford real programming potential. In addition to standard 8-bit data management, the ST7291L2 features bit manipulation, 8x8 unsigned multiplication and indirect addressing modes.

  The ST7291L2 includes a CPU, ROM, RAM, I/O, an on-chip oscillator, a timer with output compare system and, depending on the version, a Low Voltage Detection (LVD) and Carrier Frequency generation for remote control applications.