參數(shù)資料
型號: ST72121J2
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 1/93頁
文件大?。?/td> 915K
代理商: ST72121J2
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
I
User Program Memory (OTP/EPROM):
8 to 16K bytes
I
Data RAM: 384 to 512 bytes including 256 bytes
of stack
I
Master Reset and Power-On Reset
I
Low Voltage Detector (LVD) Reset option
I
Run and Power Saving modes
I
32 multifunctional bidirectional I/O lines:
– 9 programmable interrupt inputs
– 4 high sink outputs
– 13 alternate functions
– EMI filtering
I
Software or Hardware Watchdog (WDG)
I
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
I
Synchronous Serial Peripheral Interface (SPI)
I
Asynchronous Serial Communications Interface
(SCI)
I
8-bit Data Manipulation
I
63 basic Instructions and 17 main Addressing
Modes
I
8 x 8 Unsigned Multiply Instruction
I
True Bit Manipulation
I
Complete Development Support on DOS/
WINDOWS
TM
Real-Time Emulator
I
Full Software Package on DOS/WINDOWS
TM
(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
Program Memory - bytes
RAM (stack) - bytes
Peripherals
Operating Supply
CPU Frequency
Temperature Range
Package
OTP/EPROM Devices
ST72T121J2
8K
384 (256)
ST72T121J4
16K
512 (256)
Watchdog, Timers, SPI, SCI and optional Low Voltage Detector Reset
3 to 5.5 V
8MHz max (16MHz oscillator) - 4MHz max over 85°C
- 40°C to + 125°C
TQFP44 - SDIP42
ST72T121J4/ST72E121J4
1
相關PDF資料
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