ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet
ST72521
Manufacturer Part Number
ST72521
Description
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72521.pdf
(211 pages)
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Price
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Part Number:
ST72521BTC
Manufacturer:
ST
Quantity:
11 000
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8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
Device Summary
August 2003
Program memory - bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range
Package
– 32K to 60K dual voltage High Density Flash
– 1K to 2K RAM
– HDFlash endurance: 100 cycles, data reten-
– Enhanced low voltage supervisor (LVD) for
– Clock sources: crystal/ceramic resonator os-
– PLL for 2x frequency multiplication
– Four power saving modes: Halt, Active-Halt,
– Nested interrupt controller
– 14 interrupt vectors plus TRAP and RESET
– Top Level Interrupt (TLI) pin
– 15 external interrupt lines (on 4 vectors)
– 48 multifunctional bidirectional I/O lines
– 34 alternate function lines
– 16 high sink outputs
– Main Clock Controller with: Real time base,
– Configurable watchdog timer
– Two 16-bit timers with: 2 input captures, 2 out-
– 8-bit PWM Auto-Reload timer with: 2 input
Memories
Clock, Reset And Supply Management
Interrupt Management
Up to 64 I/O Ports
5 Timers
(HDFlash) or ROM with read-out protection
capability. In-Application Programming and
In-Circuit Programming for HDFlash devices
tion: 20 years at 55°C
main supply and auxiliary voltage detector
(AVD) with interrupt capability
cillators, internal RC oscillator, clock security
system and bypass for external clock
Wait and Slow
Beep and Clock-out capabilities
put compares, external clock input on one tim-
er, PWM and pulse generator modes
captures, 4 PWM outputs, output compare
Features
TQFP80 14x14 (M), TQFP64 14x14 (R), TQFP64
FIVE TIMERS, SPI, SCI, I
ST72521(M/R/AR)9
10x10 (AR)
2048 (256)
60K
up to -40°C to +125 °C
– SPI synchronous serial interface
– SCI asynchronous serial interface (LIN com-
– I
– CAN interface (2.0B Passive)
– 10-bit ADC with 16 input pins
– 8-bit Data Manipulation
– 63 Basic Instructions
– 17 main Addressing Modes
– 8 x 8 Unsigned Multiply Instruction
– Full hardware/software development package
– In-Circuit Testing capability
4 Communications Interfaces
Analog peripheral
Instruction Set
Development Tools
3.8V to 5.5V
and time base interrupt, external clock with
event detector
patible)
2
TQFP80
C multimaster interface
14 x 14
TQFP64 14x14 (R), TQFP64 10x10 (AR)
2
C, CAN INTERFACE
ST72521(R/AR)6
1024 (256)
TQFP64
14 x 14
32K
ST72521
TQFP64
10 x 10
1
Rev. 1.9
1/211
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