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ST72F321M6T6 Datasheet(PDF) 1 Page - STMicroelectronics |
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ST72F321M6T6 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 175 page May 2009 Doc ID 12706 Rev 2 1/175 ST72321M6 ST72321M9 80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC, five timers, SPI, SCI, I2C interface Features ■ Memories – 32 Kbytes to 60 Kbytes dual voltage High Density Flash (HDFlash) with read-out protec- tion capability. In-application programming and In-circuit programming. – 1 Kbyte to 2 Kbytes RAM – HDFlash endurance: 100 cycles at 85 °C; data retention: 40 years at 85 °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 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 – 15 external interrupt lines (on 4 vectors) ■ Up to 64 I/O ports – 64 multifunctional bidirectional I/O lines – 34 alternate function lines – 16 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 captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector ■ 4 Communication interfaces – SPI synchronous serial interface – SCI asynchronous serial interface –I2C multimaster interface (SMbus V1.1 compliant) ■ Analog periperal (low current coupling) – 10-bit ADC with 16 input robust 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 Table 1. Device summary LQFP80 14 x 14 Features ST72321M9 ST72321M6 Flash program memory 60 Kbytes 32 Kbytes RAM (stack) - bytes 2048 bytes (256 bytes) 1024 (256 bytes) Operating voltage 3.8 V to 5.5 V Temperature range -40 °C to +85 °C Package LQFP80 14x14 1 |
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