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MC9S12H256
Product details for 16-bit microcontroller
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MC9S12H256 數據表
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詳細說明
OverviewThe MC9S12H256 microcontroller unit (MCU) is a 16-bit device composed of standard on-chipperipherals including a 16-bit central processing unit (HCS12 CPU), 256K bytes of Flash EEPROM, 12K bytes of RAM, 4K bytes of EEPROM, two asynchronous serial communications interfaces (SCI), a serial peripheral interface (SPI), an IIC-bus interface (IIC), an 8-channel 16-bit timer (TIM), a 16-channel, 10-bit analog-to-digital converter (ATD), a six-channel pulse width modulator (PWM), and two CAN 2.0 A, B software compatible modules (MSCAN).Features• HCS12 Core– 16-bit HCS12 CPU i. Upward compatible with M68HC11 instruction set ii. Interrupt stacking and programmer’s model identical to M68HC11 iii.20-bit ALU iv. Instruction queue v. Enhanced indexed addressing– MEBI (Multiplexed External Bus Interface)– MMC (Module Mapping Control)– INT (Interrupt control)– BKP (Breakpoints)– BDM (Background Debug Mode)• CRG (low current oscillator, PLL, reset, clocks, COP watchdog, real time interrupt, clock monitor)• 8-bit and 4-bit ports with interrupt functionality– Digital filtering– Programmable rising or falling edge trigger• Memory– 256K Flash EEPROM– 4K byte EEPROM– 12K byte RAM• Analog-to-Digital Converter– 16 channels, 10-bit resolution– External conversion trigger capability• Two 1M bit per second, CAN 2.0 A, B software compatible modules– Five receive and three transmit buffers– Flexible identifier filter programmable as 2 x 32 bit, 4 x 16 bit or 8x8bit– Four separate interrupt channels for Rx, Tx, error and wake-up– Low-pass filter wake-up function– Loop-back for self test operation• Timer– 16-bit main counter with 7-bit prescaler– 8 programmable input capture or output compare channels– Two 8-bit or one 16-bit pulse accumulators• 6 PWM channels– Programmable period and duty cycle– 8-bit 6-channel or 16-bit 3-channel– Separate control for each pulse width and duty cycle– Center-aligned or left-aligned outputs– Programmable clock select logic with a wide range of frequencies– Fast emergency shutdown input• Serial interfaces– Two asynchronous Serial Communications Interfaces (SCI)– Synchronous Serial Peripheral Interface (SPI)– Inter-Integrated Circuit interface (IIC)• Liquid Crystal Display driver with variable input voltage– Configurable for up to 32 frontplanes and 4 backplanes or general purpose input or output– 5 modes of operation allow for different display sizes to meet application requirements– Unused frontplane and backplane pins can be used as general purpose I/O• 24 high current drivers suited for PWM motor control– Each PWM channel switchable between two drivers in an H-bridge configuration– Left, right and center aligned outputs– Support for sine and cosine drive– Dithering– Output slew rate control• 144-Pin or 112-Pin LQFP package– I/O lines with 5V input and drive capability– 5V A/D converter inputs– Operation at 32MHz equivalent to 16MHz Bus Speed– Development support– Single-wire background debug™ mode (BDM)– On-chip hardware breakpoints
主要特徵
- HCS12 Core
- – 16-bit HCS12 CPU
- i. Upward compatible with M68HC11 instruction set
- ii. Interrupt stacking and programmer’s model identical to M68HC11
- iii.20-bit ALU
- iv. Instruction queue
- v. Enhanced indexed addressing
- – MEBI (Multiplexed External Bus Interface)
- – MMC (Module Mapping Control)
- – INT (Interrupt control)
- – BKP (Breakpoints)
- – BDM (Background Debug Mode)
- CRG (low current oscillator, PLL, reset, clocks, COP watchdog, real time interrupt, clock monitor)
- 8-bit and 4-bit ports with interrupt functionality
- – Digital filtering
- – Programmable rising or falling edge trigger
- Memory
- – 128K, 256K Flash EEPROM
- – 2K, 4K byte EEPROM
- – 6K, 12K byte RAM
- Analog-to-Digital Converter
- – 8, 16 channels, 10-bit resolution
- – External conversion trigger capability
- Two 1M bit per second, CAN 2.0 A, B software compatible modules
- – Five receive and three transmit buffers
- – Flexible identifier filter programmable as 2 x 32 bit, 4 x 16 bit or 8x8bit
- – Four separate interrupt channels for Rx, Tx, error and wake-up
- – Low-pass filter wake-up function
- – Loop-back for self test operation
- Timer
- – 16-bit main counter with 7-bit prescaler
- – 8 programmable input capture or output compare channels
- – Two 8-bit or one 16-bit pulse accumulators
- 2, 6 PWM channels
- – Programmable period and duty cycle
- – 8-bit 2, 6-channel or 16-bit 1, 3-channel
- – Separate control for each pulse width and duty cycle
- – Center-aligned or left-aligned outputs
- – Programmable clock select logic with a wide range of frequencies
- – Fast emergency shutdown input
- Serial interfaces
- – Two asynchronous Serial Communications Interfaces (SCI)
- – Synchronous Serial Peripheral Interface (SPI)
- – Inter-Integrated Circuit interface (IIC)
- Liquid Crystal Display driver with variable input voltage
- – Configurable for up to 32 frontplanes and 4 backplanes or general purpose input or output
- – 5 modes of operation allow for different display sizes to meet application requirements
- – Unused frontplane and backplane pins can be used as general purpose I/O
- 16, 24 high current drivers suited for PWM motor control
- – Each PWM channel switchable between two drivers in an H-bridge configuration
- – Left, right and center aligned outputs
- – Support for sine and cosine drive
- – Dithering
- – Output slew rate control
- 144-Pin or 112-Pin LQFP package
- – I/O lines with 5V input and drive capability
- – 5V A/D converter inputs
- – Operation at 32MHz equivalent to 16MHz Bus Speed
- – Development support
- – Single-wire background debug™ mode (BDM)
- – On-chip hardware breakpoints
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
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