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ST72372 Dataheets PDF



Part Number ST72372
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description (ST72371 / ST72372) 8-BIT MCUs
Datasheet ST72372 DatasheetST72372 Datasheet (PDF)

www.DataSheet4U.com R ST72371/ST72372 8-BIT MCUs WITH 16K ROM/OTP/EPROM, 2 C AND SCI 512 BYTES RAM, ADC, DAC (PWM), TIMER, I PRODUCT PREVIEW s s s s s s s s s s s s s s s s s s User Program Memory (ROM/OTP/EPROM): 16K bytes Data RAM: 512 bytes, including 256 bytes of stack Master Reset and Power-On Reset Run, Wait, Slow, Halt and RAM Retention modes 23 to 32 I/O lines: – 4 to 5 programmable interrupt inputs – 6 to 8 high sink outputs – 4 to 8 analog alternate inputs – 10 to 14 alter.

  ST72372   ST72372


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www.DataSheet4U.com R ST72371/ST72372 8-BIT MCUs WITH 16K ROM/OTP/EPROM, 2 C AND SCI 512 BYTES RAM, ADC, DAC (PWM), TIMER, I PRODUCT PREVIEW s s s s s s s s s s s s s s s s s s User Program Memory (ROM/OTP/EPROM): 16K bytes Data RAM: 512 bytes, including 256 bytes of stack Master Reset and Power-On Reset Run, Wait, Slow, Halt and RAM Retention modes 23 to 32 I/O lines: – 4 to 5 programmable interrupt inputs – 6 to 8 high sink outputs – 4 to 8 analog alternate inputs – 10 to 14 alternate functions – EMI filtering Programmable watchdog (WDG) 16-bit Timer, featuring: – 2 Input Captures – 2 Output Compares (with 1 output pin) – PWM and Pulse Generator modes 8-bit Analog-to-Digital converter (4 to 8 channels) Four 10-bit and one 12-bit Digital to Analog Converter Channels with PWM output Fast I2C Multimaster Interface Serial Communications Interface (SCI) (ST72371N only) 8-bit Data Manipulation 63 Basic Instructions 17 main Addressing Modes 8 x 8 Unsigned Multiply Instruction True Bit Manipulation Complete Development Support on PC/DOSWINDOWSTM Real-Time Emulator TM Full Software Package on DOS/WINDOWS (C-Compiler, Cross-Assembler, Debugger) PSDIP42 CSDIP42W PSDIP56 CSDIP56 TQFP64 Device Summary Features ST72372J4 ST72371N4 Program Memory - bytes 16K RAM (stack) - bytes 512 (256) 10-Bit D/A Converter 4 channels 12-Bit D/A Converter 1 channel A/D Converter 4 channels 8 channels 16-Bit Timer 1 1 multimaster I2C Bus SCI No Yes I/Os 30 39 Operating Supply 4.0 to 5.5 V CPU Frequency 8 MHz max (24 MHz quartz) Temperature Range 0°C to + 70°C SDIP56Package SDIP42 TQFP64 Rev. 1.1 March 1998 This is preliminary information on a new product in development orundergoing evaluation. Detailsare subject to change without notice. 1/94 1 www.DataSheet4U.com Table of Contents 1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.2 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.3 MEMORY MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 2 CENTRAL PROCESSING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 2.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 2.2 MAIN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 2.3 CPU REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 3 CLOCKS, RESET, INTERRUPTS & POWER SAVING MODES . . . . . . . . . . . . . . . . . . . . . . . . 15 3.1 CLOCK SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 3.1.1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 3.1.2 External Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 3.2 RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 3.2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 3.2.2 External Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 3.2.3 Reset Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 3.2.4 Power-on Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 3.3 INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 3.4 POWER SAVING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 3.4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 3.4.2 Slow Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 3.4.3 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 3.4.4 Halt Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 3.4.5 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 4 ON-CHIP PERIPHERALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


ST72371 ST72372 ST72389BW


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