Thông số kỹ thuật
| thuộc tính | Giá trị |
| Supplier | NXP USA Inc. |
| Package / Case | Tray |
| Series | HCS12X |
| Part Status | Active |
| Core Processor | HCS12X |
| Core Size | 16-Bit |
| Speed | 80MHz |
| Connectivity | CANbus, EBI/EMI, I²C, IrDA, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Number of I/O | 91 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 14K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.35V ~ 5.5V |
| Data Converters | A/D 16x10b |
| Oscillator Type | External |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Tổng quan
Description
MC9S12XD256CAL is an NXP Freescale 16‑bit microcontroller in the HCS12XD family. It uses the 16‑bit HCS12 core, combines on‑chip flash up to 256 KB, and on‑chip RAM, plus a broad set of peripherals. Typical peripherals include SCI, SPI, I2C serial interfaces, ADCs, PWM, and multiple timers; many XD parts also include a CAN module. It supports in‑circuit programming and debugging via the on‑chip Background Debug Module (BDM). The CAL suffix indicates automotive/industrial grade with extended temperature range and qualification suitable for automotive applications. It is suitable for automotive, industrial control, and other embedded systems requiring moderate processing power, real‑time I/O, and multiple communication options. Development tools commonly used include Freescale CodeWarrior or other IDEs with BDM/JTAG support for programming and debugging.
Equivalent
Closest equivalents are other 256 KB flash members of the Freescale/NXP HCS12XD/XDG family. Examples: MC9S12XD256 (same device in other grade), MC9S12XDG256 (DG variant), and automotive grades like MC9S12XD256CAL/AL. They share the same core and peripherals; there isn’t a direct one-to-one cross-vendor substitute.
Features
Key features of MC9S12XD256CAL:
- 16-bit HCS12 CPU core, up to ~50 MHz operation
- On-chip memory: 256 KB flash; 12 KB RAM
- In-system programming (ISP/IAP) with security features
- CAN 2.0B controller
- Serial peripherals: SCI (USART), SPI, I2C
- Analog: multi-channel 12-bit ADC
- Timers/PWM: multiple 16-bit timer modules with PWM outputs
- Safety/monitoring: watchdog timer, low-voltage detect (LVD), POR
- Debug/programming: Background Debug Mode (BDM) interface
- Power/temperature: 2.7–5.5 V operation, industrial temperature range
- Typical package options for embedment in automotive/industrial designs
Note: exact RAM size, peripheral counts, and package variants can vary by exact device revision and package.
- 16-bit HCS12 CPU core, up to ~50 MHz operation
- On-chip memory: 256 KB flash; 12 KB RAM
- In-system programming (ISP/IAP) with security features
- CAN 2.0B controller
- Serial peripherals: SCI (USART), SPI, I2C
- Analog: multi-channel 12-bit ADC
- Timers/PWM: multiple 16-bit timer modules with PWM outputs
- Safety/monitoring: watchdog timer, low-voltage detect (LVD), POR
- Debug/programming: Background Debug Mode (BDM) interface
- Power/temperature: 2.7–5.5 V operation, industrial temperature range
- Typical package options for embedment in automotive/industrial designs
Note: exact RAM size, peripheral counts, and package variants can vary by exact device revision and package.
Pinout
- Pin count: 144-pin LQFP (also available in other automotive packages for the MC9S12XD256CAL family).
- Function: 16-bit HCS12XD microcontroller with 256 KB flash (on-chip RAM and peripherals such as ADC, SCI/SPI/I2C, timers, CAN, etc.) suitable for automotive applications.
- Function: 16-bit HCS12XD microcontroller with 256 KB flash (on-chip RAM and peripherals such as ADC, SCI/SPI/I2C, timers, CAN, etc.) suitable for automotive applications.
Manufacturer
- Manufacturer: NXP Semiconductors (the MC9S12XD256CAL is a legacy Freescale/Motorola device now under NXP after Freescale’s acquisition).
- What kind of company: NXP is a Dutch multinational semiconductor company that designs and manufactures embedded processors, microcontrollers, sensors, and other ICs for automotive, industrial, and consumer applications.
- What kind of company: NXP is a Dutch multinational semiconductor company that designs and manufactures embedded processors, microcontrollers, sensors, and other ICs for automotive, industrial, and consumer applications.
Application
Typical application areas for the MC9S12XD256CAL:
- Automotive: body/chassis control modules, instrument clusters, gateway ECUs, engine management, CAN networks
- Industrial automation: PLC-style controllers, motor drives, sensors/actuators interfaces, data acquisition
- Consumer/industrial embedded: HVAC, appliance control, robotics subsystems, smart meters
- General embedded control: power management, fault-tolerant control, real-time UIs, low-to-mid complexity control tasks
These cover its strengths in real-time control, mixed-signal peripherals, and networked automotive/industrial applications.
- Automotive: body/chassis control modules, instrument clusters, gateway ECUs, engine management, CAN networks
- Industrial automation: PLC-style controllers, motor drives, sensors/actuators interfaces, data acquisition
- Consumer/industrial embedded: HVAC, appliance control, robotics subsystems, smart meters
- General embedded control: power management, fault-tolerant control, real-time UIs, low-to-mid complexity control tasks
These cover its strengths in real-time control, mixed-signal peripherals, and networked automotive/industrial applications.
Package
144-pin LQFP (Plastic Quad Flat Pack) package.
