ST72T121J4T3

更新时间： 2024-11-02 13:14:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		微控制器和处理器外围集成电路可编程只读存储器电动程控只读存储器时钟
页数	文件大小	规格书
92页	585K
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中文翻译

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数据手册

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ST72T121J4T3 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 to512 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

– 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

(See ordering information at the end of datasheet)

■ Full Software Package on DOS/WINDOWS^TM

(C-Compiler, Cross-Assembler, Debugger)

Note: 1. One only 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: The ROM versions are supported by the ST72124 family.

Rev. 1.7

1/92

September 1999

12 3 4 5 6 7...92

中文翻译

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