The MC9S12XDP512VAL is a 16-bit Microcontroller based on enhanced HCS12X CPU (40MHz bus) with CISC architecture operates at a maximum frequency of 80MHz. The device incorporates 512kB internal flash, 32kB internal RAM, 4kB EEPROM, 16-channel 10-bit A/D converter and 91 general-purpose I/O pins. This device also features peripherals like one inter-integrated circuit (IIC) bus module, five multi-scalable controller area networks (MSCAN) CAN 2.0 A/B software compatible modules, six serial communications interface (SCI) and three serial peripheral interface modules (SPI). The MC9S12XD family features the performance boosting XGATE co-processor. The XGATE, which is programmable in C language, has an instruction set which is optimized for data movement, logic and bit manipulation instructions. It runs at twice the bus frequency of the S12X and off-loads the CPU by providing high speed data transfer between any peripheral module, RAM and I/O ports.
- Upward compatible with MC9S12 instruction set
- Interrupt stacking and programmer's model identical to MC9S12
- Instruction queue
- Enhanced indexed addressing
- Enhanced instruction set
- External bus interface (EBI)
- Module mapping control (MMC)
- Interrupt controller (INT)
- Debug module to monitor HCS12X CPU and XGATE bus activity
- Background debug mode (BDM)
- Periodic interrupt timer (PIT)
- Clock and reset generator (CRG)
- Low noise/low power Pierce oscillator
- Enhanced capture timer - 16-bit main counter with 7-bit prescaler
- 8 PWM (pulse-width modulator) channels
- On-chip voltage regulator
- Low-voltage detect (LVD) with low-voltage interrupt (LVI)
- Power-on reset (POR) circuit
- Low-voltage reset (LVR)
- Ultra low-power wake-up timer
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