参数资料
型号: ST72T121J2T3
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, TQFP-44
文件页数: 1/93页
文件大小: 597K
代理商: ST72T121J2T3
May 2001
1/93
Revision 1.9
ST72E121
ST72T121
8-BIT MCU WITH 8 TO 16K OTP/EPROM,
384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS
DATASHEET
s
User Program Memory (OTP/EPROM):
8 to 16K bytes
s
Data RAM: 384 to 512 bytes including 256 bytes
of stack
s
Master Reset and Power-On Reset
s
Low Voltage Detector (LVD) Reset option
s
Run and Power Saving modes
s
32 multifunctional bidirectional I/O lines:
– 9 programmable interrupt inputs
– 4 high sink outputs
– 13 alternate functions
– EMI filtering
s
Software or Hardware Watchdog (WDG)
s
Two 16-bit Timers, each featuring:
– 2 Input Captures and 2 Output Compares 1)
– External Clock input (on Timer A)
– PWM and Pulse Generator modes
s
Synchronous Serial Peripheral Interface (SPI)
s
Asynchronous Serial Communications Interface
(SCI)
s
8-bit Data Manipulation
s
63 basic Instructions and 17 main Addressing
Modes
s
8 x 8 Unsigned Multiply Instruction
s
True Bit Manipulation
s
Complete
Development Support
on DOS/
WINDOWSTM Real-Time Emulator
s
Full Software Package on DOS/WINDOWSTM
(C-Compiler, Cross-Assembler, Debugger)
Note: 1. One only of each on Timer A.
Device Summary
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.
TQFP44
PSDIP42
CSDIP42W
(See ordering information at the end of datasheet)
Features
ST72T121J2
ST72T121J4
Program Memory - bytes
8K
16K
RAM (stack) - bytes
384 (256)
512 (256)
Peripherals
Watchdog, Timers, SPI, SCI and optional Low Voltage Detector Reset
Operating Supply
3 to 5.5 V
CPU Frequency
8MHz max (16MHz oscillator) - 4MHz max over 85
°C
Temperature Range
- 40
°C to + 125°C
Package
TQFP44 - SDIP42
OTP/EPROM Devices
ST72T121J4/ST72E121J4
1
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相关代理商/技术参数
参数描述
ST72T121J2T6 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI/SCI RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ST72T121J2T6S 制造商:STMicroelectronics 功能描述:
ST72T121J4B6 功能描述:8位微控制器 -MCU OTP EPROM 16K SPI/SC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ST72T121J4T6 功能描述:8位微控制器 -MCU OTP EPROM 16K SPI/SC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ST72T121J4T6S 制造商:STMicroelectronics 功能描述: