Datasheet

Device Overview S12XS Family
S12XS Family Reference Manual, Rev. 1.13
22 Freescale Semiconductor
— Time-out interrupt and peripheral triggers
— Start of timers can be aligned
• Up to 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
• Serial Peripheral Interface Module (SPI)
— Configurable for 8 or 16-bit data size
— Full-duplex or single-wire bidirectional
— Double-buffered transmit and receive
— Master or Slave mode
— MSB-first or LSB-first shifting
— Serial clock phase and polarity options
• Two Serial Communication Interfaces (SCI)
— Full-duplex or single wire operation
— Standard mark/space non-return-to-zero (NRZ) format
— Selectable IrDA 1.4 return-to-zero-inverted (RZI) format with programmable pulse widths
— 13-bit baud rate selection
— Programmable character length
— Programmable polarity for transmitter and receiver
— Receive wakeup on active edge
— Break detect and transmit collision detect supporting LIN
• 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
— Low-voltage reset (LVR)
• Low-power wake-up timer (API)
— Internal oscillator driving a down counter
— Trimmable to +/-5% accuracy
— Time-out periods range from 0.2ms to ~13s with a 0.2ms resolution
• Input/Output
— Up to 91 general-purpose input/output (I/O) pins depending on the package option and 2 input-
only pins
— Hysteresis and configurable pull up/pull down device on all input pins
— Configurable drive strength on all output pins
• Package Options
— 112-pin low-profile quad flat-pack (LQFP)
— 80-pin quad flat-pack (QFP)