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ST72C314J2TA Datasheet(PDF) 1 Page - STMicroelectronics |
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ST72C314J2TA Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 150 page Rev. 1 October 2007 1/150 ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto 8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces ■ Memories – 8 or 16 Kbyte Program memory (ROM or sin- gle voltage Flash) with readout protection and in-situ programming (remote ISP) – 256 bytes EEPROM Data memory (with read- out protection option in ROM devices) – 384 or 512 bytes RAM ■ Clock, Reset and Supply Management – Enhanced reset system – Enhanced low voltage supply supervisor with 3 programmable levels – Clock sources: crystal/ceramic resonator os- cillators or RC oscillators, external clock, backup Clock Security System – 4 Power Saving Modes: Halt, Active Halt, Wait and Slow – Beep and clock-out capabilities ■ Interrupt Management – 10 interrupt vectors plus TRAP and RESET – 15 external interrupt lines (4 vectors) ■ 44 or 32 I/O Ports – 44 or 32 multifunctional bidirectional I/O lines: – 21 or 19 alternate function lines – 12 or 8 high sink outputs ■ 4 Timers – Configurable watchdog timer – Real-time base – Two 16-bit timers with: 2 input captures (only one on timer A), 2 output compares (only one on timer A), External clock input on timer A, PWM and Pulse generator modes ■ 2 Communications Interfaces – SPI synchronous serial interface – SCI asynchronous serial interface (LIN com- patible) ■ 1 Analog Peripheral – 8-bit ADC with 8 input channels (6 only on ST72334Jx, not available on ST72124J2) ■ Instruction Set – 8-bit data manipulation – 63 basic instructions – 17 main addressing modes – 8 x 8 unsigned multiply instruction – True bit manipulation ■ Development Tools – Full hardware/software development package Device Summary TQFP44 10 x 10 TQFP64 14 x 14 Features ST72124J2 -Auto ST72314J2 -Auto ST72314J4 -Auto ST72314N2 -Auto ST72314N4 -Auto ST72334J2 -Auto ST72334J4 -Auto ST72334N2 -Auto ST72334N4 -Auto Prog. memory 8 Kbytes 16 Kbytes 8 Kbytes 16 Kbytes 8 Kbytes 16 Kbytes 8 Kbytes 16 Kbytes Flash/ROM RAM (stack) 384 (256) bytes 512 (256) bytes 384 (256) bytes 512 (256) bytes 384 (256) bytes 512 (256) bytes 384 (256) bytes 512 (256) bytes EEPROM - 256 bytes Peripherals Watchdog, Two 16-bit Timers, SPI, SCI - ADC Oper. Supply 3.2V to 5.5V CPU Freq. Up to 8 MHz (with up to 16 MHz oscillator) Oper. Temp. -40°C to +85°C / -40°C to +125C° Flash or ROM (-40°C to +105°C ROM only) Packages TQFP44 TQFP64 TQFP44 TQFP64 1 |
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