Datasheet

Chapter 1 Device Overview MC9S12XE-Family
MC9S12XE-Family Reference Manual Rev. 1.25
30 Freescale Semiconductor
— 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
• ECT (enhanced capture timer)
— 8 x 16-bit channels for input capture or output compare
— 16-bit free-running counter with 8-bit precision prescaler
— 16-bit modulus down counter with 8-bit precision prescaler
— Four 8-bit or two 16-bit pulse accumulators
• TIM (standard timer module)
— 8 x 16-bit channels for input capture or output compare
— 16-bit free-running counter with 8-bit precision prescaler
— 1 x 16-bit pulse accumulator
• PIT (periodic interrupt timer)
— Up to eight timers with independent time-out periods
— Time-out periods selectable between 1 and 2
24
bus clock cycles
— Time-out interrupt and peripheral triggers
• 8 PWM (pulse-width modulator) channels
— 8 channel x 8-bit or 4 channel x 16-bit Pulse Width Modulator
— programmable period and duty cycle per channel
— Center- or left-aligned outputs
— Programmable clock select logic with a wide range of frequencies
— Fast emergency shutdown input
• Three Serial Peripheral Interface Modules (SPI)
— Configurable for 8 or 16-bit data size
• Eight Serial Communication Interfaces (SCI)
— Standard mark/space non-return-to-zero (NRZ) format
— Selectable IrDA 1.4 return-to-zero-inverted (RZI) format with programmable pulse widths
• Two Inter-IC bus (IIC) Modules
— Multi-master operation
— Software programmable for one of 256 different serial clock frequencies
— Broadcast mode support
— 10-bit address support
• On-Chip Voltage Regulator
— Two parallel, linear voltage regulators with bandgap reference
— Low-voltage detect (LVD) with low-voltage interrupt (LVI)
— Power-on reset (POR) circuit
— 3.3V and 5V range operation
— Low-voltage reset (LVR)