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ST72121J4B3/XXX

更新时间： 2024-11-23 15:53:03
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 时钟光电二极管外围集成电路
页数 文件大小 规格书
87页 1365K
描述
8-BIT, MROM, 8MHz, MICROCONTROLLER, PDIP42, 0.600 INCH, SHRINK, PLASTIC, DIP-42

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ST72121J4B3/XXX 技术参数

生命周期：Obsolete零件包装代码：DIP
包装说明：SDIP,针数：42
Reach Compliance Code：unknownHTS代码：8542.31.00.01
风险等级：5.84具有ADC：NO
地址总线宽度：位大小：8
最大时钟频率：16 MHzDAC 通道：NO
DMA 通道：NO外部数据总线宽度：
JESD-30 代码：R-PDIP-T42长度：36.83 mm
I/O 线路数量：32端子数量：42
片上程序ROM宽度：8最高工作温度：125 °C
最低工作温度：-40 °CPWM 通道：YES
封装主体材料：PLASTIC/EPOXY封装代码：SDIP
封装形状：RECTANGULAR封装形式：IN-LINE, SHRINK PITCH
认证状态：Not QualifiedRAM（字节）：512
ROM（单词）：16384ROM可编程性：MROM
座面最大高度：5.08 mm速度：8 MHz
最大供电电压：5.5 V最小供电电压：3 V
标称供电电压：5 V表面贴装：NO
技术：CMOS温度等级：AUTOMOTIVE
端子形式：THROUGH-HOLE端子节距：1.778 mm
端子位置：DUAL宽度：15.24 mm
uPs/uCs/外围集成电路类型：MICROCONTROLLERBase Number Matches：1

ST72121J4B3/XXX 数据手册

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ST72121  
8-BIT MCU WITH 8 TO 16K ROM/OTP/EPROM,  
384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS  
PRELIMINARY DATA  
User Program Memory (ROM/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 1)  
– 2 Output Compares 1)  
– External Clock input (on Timer A)  
– PWM and Pulse Generator modes  
Synchronous Serial Peripheral Interface (SPI)  
CSDIP42W  
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/  
WINDOWSTM Real-Time Emulator  
Full Software Package on DOS/WINDOWSTM  
(C-Compiler, Cross-Assembler, Debugger)  
(See ordering information at the end of datasheet)  
Note: 1. One only on Timer A.  
Device Summary  
Features  
ST72121J2  
ST72121J4  
Program Memory - bytes  
RAM (stack) - bytes  
Peripherals  
8K  
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  
Rev. 1.5  
January 1999  
1/87  
This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.  
1
1234567...87

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