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ST72T121J2T6 Datasheet

  • ST72T121J2T6

  • 8-BIT MICROCONTROLLER (MCU) WITH 8 TO 16 K ROM/OTP/EPROM. 38...

  • 93頁

  • ETC

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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 and 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 of each on Timer A.
Device Summary
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擄C
Temperature Range
- 40擄C to + 125擄C
Package
TQFP44 - SDIP42
OTP/EPROM Devices
ST72T121J4/ST72E121J4
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.
Revision 1.9
May 2001
1/93
1

ST72T121J2T6 產(chǎn)品屬性

  • STMicroelectronics

  • ST7

  • 8 bit

  • 8 MHz

  • 8 KB

  • 512 B

  • 3 V to 5.5 V

  • TQFP-44

  • SMD/SMT

  • 1.4 mm

  • SCI, SPI

  • 10 mm

  • + 85 C

  • - 40 C

  • 32

  • 2

  • Tray

  • OTP EPROM

  • 160

  • 5.5 V

  • 3.5 V

  • 10 mm

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