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ST72F321 Datasheet(PDF) 1 Page - STMicroelectronics |
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ST72F321 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 189 page  October 2004 1/189 Rev. 1.10 ST72321 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE ■ Memories – 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 – 1K to 2K RAM – HDFlash endurance: 100 cycles, data reten- tion: 20 years at 55°C ■ 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 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 ■ Interrupt Management – Nested interrupt controller – 14 interrupt vectors plus TRAP and RESET – Top Level Interrupt (TLI) pin on 64-pin devices – 15 external interrupt lines (on 4 vectors) ■ Up to 48 I/O Ports – 48/32 multifunctional bidirectional I/O lines – 34/22 alternate function lines – 16/12 high sink outputs ■ 5 Timers – Main Clock Controller with: Real time base, Beep and Clock-out capabilities – Configurable watchdog timer – Two 16-bit timers with: 2 input captures, 2 out- put compares, external clock input on one tim- er, PWM and pulse generator modes – 8-bit PWM Auto-reload timer with: 2 input cap- tures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector ■ 3 Communications Interfaces – SPI synchronous serial interface – SCI asynchronous serial interface –I2C multimaster interface ■ 1 Analog peripheral – 10-bit ADC with up to 16 input ports ■ Instruction Set – 8-bit Data Manipulation – 63 Basic Instructions – 17 main Addressing Modes – 8 x 8 Unsigned Multiply Instruction ■ Development Tools – Full hardware/software development package – In-Circuit Testing capability Device Summary TQFP64 10 x 10 TQFP64 14 x 14 TQFP44 10 x 10 Features ST72F321 (R/AR/J)9 ST72F321 (R/AR/J)7 ST72F321 (R/AR)6 ST72321 (R/AR/J)9 ST72321 (R/AR/J)7 ST72321 (R/AR)6 Program memory - bytes Flash 60K Flash 48K Flash 32K ROM 60K ROM 48K ROM 32K RAM (stack) - bytes 2048 (256) 1536 (256) 1024 (256) 2048 (256) 1536 (256) 1024 (256) Operating Voltage 3.8V to 5.5V Temp. Range up to -40°C to +125°C Package TQFP64 14x14 (R), TQFP64 10x10 (AR), TQFP44 10x10 (J) 1 |
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