Product overview
Description
The ST92F124/F150/F250 microcontroller is developed and manufactured by STMicroelectronics using a proprietary n-well HCMOS process. Its performance derives from the use of a flexible 256-register programming model for ultra-fast context switching and real-time event response. The intelligent on-chip peripherals offload the ST9 core from I/O and data management processing tasks allowing critical application tasks to get the maximum use of core resources. The new-generation ST9 MCU devices now also support low power consumption and low voltage operation for power-efficient and low-cost embedded systems.
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All features
- Memories
- Internal memory: Single Voltage Flash up to 256 Kbytes, RAM up to 8 Kbytes, 1 Kbyte E3 TM (Emulated EEPROM)
- In-Application Programming (IAP)
- 224 general purpose registers (register file) available as RAM, accumulators or index pointers
- Clock, reset and supply management
- Register-oriented 8/16 bit CORE with RUN, WFI, SLOW, HALT and STOP modes
- 0-24 MHz Operation (Int. Clock), 4.5-5.5 V range
- PLL Clock Generator (3-5 MHz crystal)
- Minimum instruction time: 83 ns (24 MHz int. clock)
- Up to 80 I/O pins
- Interrupt management
- 4 external fast interrupts + 1 NMI
- Up to 16 pins programmable as wake-up or additional external interrupt with multi-level interrupt handler
- DMA controller for reduced processor overhead
- Timers
- 16-bit Timer with 8-bit Prescaler, and Watchdog Timer (activated by software or by hardware)
- 16-bit Standard Timer that can be used to generate a time base independent of PLL Clock Generator
- Two 16-bit independent Extended Function Timers (EFTs) with Prescaler, up to two Input Captures and up to two Output Compares
- Two 16-bit Multifunction Timers, with Prescaler, up to two Input Captures and up to two Output Compares
- Communication interfaces
- Serial Peripheral Interface (SPI) with selectable Master/Slave mode
- One Multiprotocol Serial Communications Interface with asynchronous and synchronous capabilities
- One asynchronous Serial Communications Interface with 13-bit LIN Synch Break generation capability
- J1850 Byte Level Protocol Decoder (JBLPD)
- Up to two full I²C multiple Master/Slave Interfaces supporting Access Bus
- Up to two CAN 2.0B Active interfaces
- Analog peripheral (low current coupling)
- 10-bit A/D Converter with up to 16 robust input channels
- Development tools
- Free High performance development environment (IDE) based on Visual Debugger, Assembler, Linker, and C-Compiler; Real Time Operating System (OSEK OS, CMX) and CAN drivers
- Hardware emulator and Flash programming board for development and ISP Flasher for production
- Memories
Circuit Diagram
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STMicroelectronics - ST92F124V1
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