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ST72321J7 Folha de dados(PDF) 1 Page - STMicroelectronics |
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ST72321J7 Folha de dados(HTML) 1 Page - STMicroelectronics |
1 / 179 page Rev. 1.8 July 2003 1/179 ST72321J 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 5 TIMERS, SPI, SCI, I2C INTERFACE s Memories – 48 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 – 1.5 to 2K bytes RAM – HDFlash endurance: 100 cycles, data reten- tion: 20 years at 55°C s Clock, Reset And Supply Management – Enhanced low voltage supervisor (LVD) for main supply and auxiliary voltage detector (AVD) with interrupt capability – Clock sources: crystal/ceramic resonator os- cillators, internal or external RC oscillator, clock security system and bypass for external clock – PLL for 2x frequency multiplication – Four Power Saving Modes: Halt, Active-Halt, Wait and Slow s Interrupt Management – Nested interrupt controller – 10 interrupt vectors plus TRAP and RESET – 9 external interrupt lines (on 4 vectors) s Up to 32 I/O Ports – 32 multifunctional bidirectional I/O lines – 22 alternate function lines – 12 high sink outputs s 5 Timers – Main Clock Controller with: Real time base, Beep and Clock-out capabilities – Configurable watchdog timer – 16-bit Timer A with: 1 input capture, 1 output compare, external clock input, PWM and pulse generator modes – 16-bit Timer B with: 2 input captures, 2 output compares, PWM and pulse generator modes – 8-bit PWM Auto-reload timer with: 4 PWM out- puts, output compare and time base interrupt, external clock with event detector s 3 Communication Interfaces – SPI synchronous serial interface – SCI asynchronous serial interface (LIN com- patible) –I2C multimaster interface s 1 Analog Peripheral – 10-bit ADC with 12 input pins s Instruction Set – 8-bit Data Manipulation – 63 Basic Instructions – 17 main Addressing Modes – 8 x 8 Unsigned Multiply Instruction s Development Tools – Full hardware/software development package – In-Circuit Testing capability Device Summary TQFP44 10 x 10 Features ST72(F)321J9 ST72(F)321J7 Program memory - bytes 60K 48K RAM (stack) - bytes 2K (256) 1536 (256) Operating Voltage 3.8V to 5.5V Temp. Range (ROM) up to -40°C to +125°C Temp. Range (Flash) up to -40°C to +125°C -40°C to +85 °C Packages TQFP44 10x10 (JxT) 1 |
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