Datasheet > ST72121

ST72121

更新时间： 2024-11-22 23:34:47

品牌	Logo	应用领域
其他 - ETC		微控制器可编程只读存储器电动程控只读存储器
页数	文件大小	规格书
93页	913K
描述
8-BIT MICROCONTROLLER (MCU) WITH 8 TO 16 K ROM/OTP/EPROM. 384 TO 512 BYTES RAM. WDG. SCI. SPI & 2 TIMERS - SDIP42. TQFP44

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中文翻译

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数据手册

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ST72121 数据手册

ST72E121

ST72T121

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

384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS

DATASHEET

■ 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

PSDIP42

– 13 alternate functions

– EMI filtering

■ Software or Hardware Watchdog (WDG)

■ Two 16-bit Timers, each featuring:

– 2 Input Captures and 2 Output Compares

– External Clock input (on Timer A)

– PWM and Pulse Generator modes

CSDIP42W

■ Synchronous Serial Peripheral Interface (SPI)

■ Asynchronous Serial Communications Interface

(SCI)

■ 8-bit Data Manipulation

■ 63 basic Instructions and 17 main Addressing

Modes

■ 8 x 8 Unsigned Multiply Instruction

■ True Bit Manipulation

TQFP44

■ Complete Development Support on DOS/

WINDOWS^TMReal-Time Emulator

■ Full Software Package on DOS/WINDOWS^TM

(See ordering information at the end of datasheet)

(C-Compiler, Cross-Assembler, Debugger)

Note: 1. One only of each on Timer A.

Device Summary

Features

ST72T121J2

ST72T121J4

Program Memory - bytes

RAM (stack) - bytes

Peripherals

384 (256)

16K

512 (256)

Watchdog, Timers, SPI, SCI and optional Low Voltage Detector Reset

Operating Supply

CPU Frequency

Temperature Range

Package

3 to 5.5 V

8MHz max (16MHz oscillator) - 4MHz max over 85°C

- 40°C to + 125°C

TQFP44 - SDIP42

OTP/EPROM Devices

ST72T121J4/ST72E121J4

Note: ROM versions are supported by the ST72334/124 family. Important product differences must be taken into account.

Refer to the Preamble in the ST72334/124 Datasheet for more information.

Revision 1.9

May 2001

1/93

12 3 4 5 6 7...93

中文翻译

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与ST72121相关器件

型号	品牌	获取价格	描述	数据表
ST72121J2	ETC	获取价格	8-BIT MICROCONTROLLER (MCU) WITH 8 TO 16 K ROM/OTP/EPROM. 384 TO 512 BYTES RAM. WDG. SCI.
ST72121J2B3/XXX	STMICROELECTRONICS	获取价格	8-BIT, MROM, 8MHz, MICROCONTROLLER, PDIP42, 0.600 INCH, SHRINK, PLASTIC, DIP-42
ST72121J2B6/XXX	STMICROELECTRONICS	获取价格	8-BIT, MROM, 16MHz, MICROCONTROLLER, PDIP42, 0.600 INCH, SHRINK, PLASTIC, DIP-42
ST72121J2T1/XXX	STMICROELECTRONICS	获取价格	8-BIT, MROM, 16MHz, MICROCONTROLLER, PQFP44, PLASTIC, TQFP-44
ST72121J2T3/XXX	STMICROELECTRONICS	获取价格	8-BIT, MROM, 8MHz, MICROCONTROLLER, PQFP44, PLASTIC, TQFP-44
ST72121J2T6/XXX	STMICROELECTRONICS	获取价格	8-BIT, MROM, 16MHz, MICROCONTROLLER, PQFP44, PLASTIC, TQFP-44
ST72121J4	ETC	获取价格	8-BIT MICROCONTROLLER (MCU) WITH 8 TO 16 K ROM/OTP/EPROM. 384 TO 512 BYTES RAM. WDG. SCI.
ST72121J4B1/XXX	STMICROELECTRONICS	获取价格	8-BIT, MROM, 16MHz, MICROCONTROLLER, PDIP42, 0.600 INCH, SHRINK, PLASTIC, DIP-42
ST72121J4B3/XXX	STMICROELECTRONICS	获取价格	8-BIT, MROM, 8MHz, MICROCONTROLLER, PDIP42, 0.600 INCH, SHRINK, PLASTIC, DIP-42
ST72121J4B6/XXX	STMICROELECTRONICS	获取价格	8-BIT, MROM, 16MHz, MICROCONTROLLER, PDIP42, 0.600 INCH, SHRINK, PLASTIC, DIP-42

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