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ST72321AR6 Datasheet

  • ST72321AR6

  • 8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIM...

  • 2302.91KB

  • STMicroelectronics   STMicroelectronics

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ST72321
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
FIVE TIMERS, SPI, SCI, I
2
C INTERFACE
s
s
s
s
s
Memories
鈥?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
鈥?1K to 2K RAM
鈥?HDFlash endurance: 100 cycles, data reten-
tion: 20 years at 55擄C
Clock, Reset And Supply Management
鈥?Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
(AVD) with interrupt capability
鈥?Clock sources: crystal/ceramic resonator os-
cillators, internal RC oscillator, clock security
system and bypass for external clock
鈥?PLL for 2x frequency multiplication
鈥?Four Power Saving Modes: Halt, Active-Halt,
Wait and Slow
Interrupt Management
鈥?Nested interrupt controller
鈥?14 interrupt vectors plus TRAP and RESET
鈥?Top Level Interrupt (TLI) pin on 64-pin devices
鈥?15 external interrupt lines (on 4 vectors)
Up to 48 I/O Ports
鈥?48/32 multifunctional bidirectional I/O lines
鈥?34/22 alternate function lines
鈥?16/12 high sink outputs
5 Timers
鈥?Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
鈥?Configurable watchdog timer
鈥?Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input on one tim-
er, PWM and pulse generator modes
鈥?8-bit PWM Auto-reload timer with: 2 input cap-
tures, 4 PWM outputs, output compare and
Features
ST72321(R/AR/J)9
60K
2048 (256)
TQFP64
14 x 14
TQFP64
10 x 10
s
s
time base interrupt, external clock with event
detector
3 Communications Interfaces
鈥?SPI synchronous serial interface
鈥?SCI asynchronous serial interface (LIN com-
patible)
鈥?I
2
C multimaster interface
1 Analog peripheral
鈥?10-bit ADC with up to 16 input pins
Instruction Set
鈥?8-bit Data Manipulation
鈥?63 Basic Instructions
鈥?17 main Addressing Modes
鈥?8 x 8 Unsigned Multiply Instruction
Development Tools
鈥?Full hardware/software development package
鈥?In-Circuit Testing capability
ST72321(R/AR)6
s
s
Device Summary
ST72321(R/AR/J)7
Program memory - bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range
Package
48K
32K
1536 (256)
1024 (256)
3.8V to 5.5V
up to -40擄C to +125擄C
TQFP64 14x14 (R), TQFP64 10x10 (AR), TQFP44 10x10 (J)
Rev. 1.9
August 2003
1/185
1

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