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ST7291L2 Datasheet(PDF) 3 Page - STMicroelectronics |
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ST7291L2 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 5 page December 1997 3/5 This is preliminary information ona new product in development orundergoing evaluation. Details are subject to change without notice. R ST72E91L ST72T91L 8-BIT MCU WITH 32K EPROM/ OTP, TIMER, SUPPLY SUPERVISOR AND CARRIER FREQUENCY GENERATOR s 3 to 5.5V Supply Operating Range s 8MHz Maximum Clock Frequency s Fully Static operation s 0to +70 °C Operating Temperature Range (OTP) s Run, Wait, Stop and RAM Retention modes s User EPROM/ OTP: 32 Kbytes s Data RAM: /384 Bytes s 28 pin SO plastic packages for ST72T91 OTP version s 28 pin Ceramic SO package for ST72E91 EPROM version s 21 Bidirectional I /O lines s 8 Interrupt Wake-Up programmable input lines s 16-bit Timer with Output Compare (no output pin). s Interrupt Wake-up function s Low Voltage Detector (LVD) s IR Carrier Frequency Generator s 8-bit Data Manipulation s 63 Basic Instructions s 17 main Addressing Modes s 8x8 Unsigned Multiply instruction s True Bit Manipulation s Complete Development Support on PC/DOS/ Windows 3.1x/95/NT with Real-Time Emulator s Full Software Package (Cross-Assembler, Debugger) s Full Hardware Emulator Figure 1. Pin Description (See end of Datasheet for Ordering Information) PSO28 CSO28W 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VDD RESET WKP PA7 PA6 PA1 PC0 PA5 PA4 PA3 OSCin OSCout PC1/OP PC6 PC7 PB6 PB5 PB4 PB3 PB2 28 27 26 25 24 23 22 21 PA2 PA0 PB0 PB1 VSS TEST/VPP PC5 PB7 |
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