ST72E121 Datasheet - ST Microelectronics

ST72E121 8-BIT MCU WITH 8 TO 16K OTP/EPROM

ST72E121 ST72T121 8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS DATASHEET s s s s s s s s s s s s s s s s User Program Memory (OTP/EPROM): 8 to 16K bytes Data RAM: 384 to 512 bytes including 256 bytes of stack Master Reset and Power-On Reset Low Voltage Detector (LVD) Reset option Run and Power Saving modes 32 multifunctional bidirectional I/O lines: 9 programmable interrupt inputs 4 high sink outputs 13 alternate functi.

ST72E121 Features

* Program Memory - bytes RAM (stack) - bytes Peripherals Operating Supply CPU Frequency Temperature Range Package OTP/EPROM Devices ST72T121J2 ST72T121J4 8K 16K 384 (256) 512 (256) Watchdog, Timers, SPI, SCI and optional Low Voltage Detector Reset 3 to 5.5 V 8MHz max (16MHz oscillator) - 4MHz max over

ST72E121 Datasheet (589.25 KB)