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ST72521 Datasheet, PDF (1/211 Pages) STMicroelectronics – 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE | |||
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ST72521
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
s Memories
â 32K to 60K dual voltage High Density Flash
(HDFlash) or ROM with read-out protection
capability. In-Application Programming and
In-Circuit Programming for HDFlash devices
â 1K to 2K RAM
â HDFlash endurance: 100 cycles, data reten-
tion: 20 years at 55°C
s Clock, Reset And Supply Management
â Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
(AVD) with interrupt capability
â Clock sources: crystal/ceramic resonator os-
cillators, internal RC oscillator, clock security
system and bypass for external clock
â PLL for 2x frequency multiplication
â Four power saving modes: Halt, Active-Halt,
Wait and Slow
s Interrupt Management
â Nested interrupt controller
â 14 interrupt vectors plus TRAP and RESET
â Top Level Interrupt (TLI) pin
â 15 external interrupt lines (on 4 vectors)
s Up to 64 I/O Ports
â 48 multifunctional bidirectional I/O lines
â 34 alternate function lines
â 16 high sink outputs
s 5 Timers
â Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
â Configurable watchdog timer
â Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input on one tim-
er, PWM and pulse generator modes
â 8-bit PWM Auto-Reload timer with: 2 input
captures, 4 PWM outputs, output compare
TQFP80
14 x 14
TQFP64
14 x 14
TQFP64
10 x 10
and time base interrupt, external clock with
event detector
s 4 Communications Interfaces
â SPI synchronous serial interface
â SCI asynchronous serial interface (LIN com-
patible)
â I2C multimaster interface
â CAN interface (2.0B Passive)
s Analog peripheral
â 10-bit ADC with 16 input pins
s Instruction Set
â 8-bit Data Manipulation
â 63 Basic Instructions
â 17 main Addressing Modes
â 8 x 8 Unsigned Multiply Instruction
s Development Tools
â Full hardware/software development package
â In-Circuit Testing capability
Device Summary
Features
Program memory - bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range
Package
ST72521(M/R/AR)9
ST72521(R/AR)6
60K
32K
2048 (256)
1024 (256)
3.8V to 5.5V
up to -40°C to +125 °C
TQFP80 14x14 (M), TQFP64 14x14 (R), TQFP64
10x10 (AR)
TQFP64 14x14 (R), TQFP64 10x10 (AR)
August 2003
Rev. 1.9
1/211
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