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ST72T121J2B6S Datasheet

  • ST72T121J2B6S

  • 8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, WDG...

  • 585.24KB

  • 92頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST72E121
ST72T121
8-BIT MCU WITH 8 TO 16K OTP/EPROM,
384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS
DATASHEET
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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:
鈥?9 programmable interrupt inputs
鈥?4 high sink outputs
鈥?13 alternate functions
鈥?EMI filtering
Software or Hardware Watchdog (WDG)
Two 16-bit Timers, each featuring:
鈥?2 Input Captures
1)
鈥?2 Output Compares
1)
鈥?External Clock input (on Timer A)
鈥?PWM and Pulse Generator modes
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
Complete Development Support on DOS/
WINDOWS
TM
Real-Time Emulator
Full Software Package on DOS/WINDOWS
TM
(C-Compiler, Cross-Assembler, Debugger)
PSDIP42
CSDIP42W
TQFP44
(See ordering information at the end of datasheet)
Note: 1.
One only on Timer A.
Device Summary
Features
Program Memory - bytes
RAM (stack) - bytes
Peripherals
Operating Supply
CPU Frequency
Temperature Range
Package
OTP/EPROM Devices
ST72T121J2
ST72T121J4
8K
16K
384 (256)
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擄C
- 40擄C to + 125擄C
TQFP44 - SDIP42
ST72T121J4/ST72E121J4
Note:
The ROM versions are supported by the ST72124 family.
Rev. 1.7
September 1999
1/92
1

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