Product Information

ST72C254G2M3

ST72C254G2M3 electronic component of STMicroelectronics

Datasheet
8-bit Microcontrollers - MCU ST72104G ST72215G ST72254G 8B MCU

Manufacturer: STMicroelectronics
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Price (USD)

1: USD 10.6938 ea
Line Total: USD 10.69

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
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Ships to you between Wed. 22 May to Tue. 28 May

MOQ : 1
Multiples : 1

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ST72C254G2M3
STMicroelectronics

1 : USD 10.6938
10 : USD 9.6595
25 : USD 9.2103
100 : USD 7.9972
250 : USD 7.6378

     
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ST72104Gx, ST72215Gx, ST72216Gx, ST72254Gx 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, 2 ADC, 16-BIT TIMERS, SPI, I C INTERFACES Memories 4K or 8K bytes Program memory (ROM and single voltage FLASH) with read-out protec- tion and in-situ programming (remote ISP) 256 bytes RAM Clock, Reset and Supply Management Enhanced reset system SDIP32 Enhanced low voltage supply supervisor with 3 programmable levels Clock sources: crystal/ceramic resonator os- cillators or RC oscillators, external clock, backup Clock Security System Clock-out capability 3 Power Saving Modes: Halt, Wait and Slow SO28 Interrupt Management 7 interrupt vectors plus TRAP and RESET 22 external interrupt lines (on 2 vectors) Instruction Set 22 I/O Ports 8-bit data manipulation 22 multifunctional bidirectional I/O lines 63 basic instructions 14 alternate function lines 17 main addressing modes 8 high sink outputs 8 x 8 unsigned multiply instruction 3 Timers True bit manipulation Configurable watchdog timer Two 16-bit timers with: 2 input captures, 2 out- put compares, external clock input on one tim- Development Tools er, PWM and Pulse generator modes Full hardware/software development package (one only on ST72104Gx and ST72216G1) 2 Communications Interfaces SPI synchronous serial interface I2C multimaster interface (only on ST72254Gx) 1 Analog peripheral 8-bit ADC with 6 input channels (except on ST72104Gx) Device Summary Features ST72104G1 ST72104G2 ST72216G1 ST72215G2 ST72254G1 ST72254G2 Program memory - bytes 4K 8K 4K 8K 4K 8K RAM (stack) - bytes 256 (128) Watchdog timer, Watchdog timer, Watchdog timer, Watchdog timer, Peripherals One 16-bit timer, One 16-bit timer, Two 16-bit timers, Two 16-bit timers, SPI SPI, ADC SPI, ADC SPI, IC, ADC Operating Supply 3.2V to 5.5 V CPU Frequency Up to 8 MHz (with oscillator up to 16 MHz) Operating Temperature 0C to 70C / -10C to +85C (-40C to +85C / -40C to105C / -40C to 125C optional) Packages SO28 / SDIP32 March 2008 Rev. 3 1/141 1 Obsolete Product(s) - Obsolete Product(s)Table of Contents 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 REGISTER & MEMORY MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4 FLASH PROGRAM MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.2 MAIN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.3 STRUCTURAL ORGANISATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.4 IN-SITU PROGRAMMING (ISP) MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.5 MEMORY READ-OUT PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 CENTRAL PROCESSING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.2 MAIN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.3 CPU REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6 SUPPLY, RESET AND CLOCK MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 6.1 LOW VOLTAGE DETECTOR (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 6.2 RESET SEQUENCE MANAGER (RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 6.2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 6.2.2 Asynchronous External RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 6.2.3 Internal Low Voltage Detection RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 6.2.4 Internal Watchdog RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 6.3 MULTI-OSCILLATOR (MO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6.4 CLOCK SECURITY SYSTEM (CSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.4.1 Clock Filter Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.4.2 Safe Oscillator Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.4.3 Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.4.4 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.5 CLOCK RESET AND SUPPLY REGISTER DESCRIPTION (CRSR) . . . . . . . . . . . . . . . 23 6.6 MAIN CLOCK CONTROLLER (MCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 7 INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 7.1 NON-MASKABLE SOFTWARE INTERRUPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 7.2 EXTERNAL INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 7.3 PERIPHERAL INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 8 POWER SAVING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 8.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 8.2 SLOW MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 8.3 WAIT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 8.4 HALT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9 I/O PORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.2 FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.2.1 Input Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 141 9.2.2 Output Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.2.3 Alternate Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.3 I/O PORT IMPLEMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 2/141 2 Obsolete Product(s) - Obsolete Product(s)

Tariff Desc

8542.31.00 52 No ..CMOS and MOS Microprocessors (MPU), Microcontrollers (MCU) and Digital Signal Processors (DSP)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits Digital.
C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
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