MC9S12B Datasheet, PDF (3/14 Pages) Motorola, Inc – 16-Bit Microcontroller

Features
— 16-bit Counter with 7-bit Prescaler
— 8 programmable input capture or output compare channels
— Simple PWM Mode
— Modulo Reset of Timer Counter
— 16-bit Pulse Accumulator
— External Event Counting
— Gated Time Accumulation
• 8 PWM channels with programmable period and duty cycle (7 channels on 80 Pin Packages)
— 8-bit 8-channel or 16-bit 4-channel
— Separate control for each pulse width and duty cycle
— Center- or left-aligned outputs
— Programmable clock select logic with a wide range of frequencies
• Serial interfaces
— Two asynchronous serial communications interfaces (SCI)
— synchronous serial peripheral interface (SPI)
• Inter-IC Bus (IIC)
— Compatible with I2C Bus standard
— Multi-master operation
— Software programmable for one of 256 different serial clock frequencies
• SIM (System Integration Module)
— CRG (windowed COP watchdog, real time interrupt, clock monitor, clock generation and
reset)
— MEBI (multiplexed external bus interface)
— MMC (memory map and interface)
— INT (interrupt control)
— BKP (breakpoints)
— BDM (background debug mode)
• Clock generation
— Phase-locked loop clock frequency multiplier
— Limp home mode in absence of external clock
— Clock Monitor
— Low power 0.5 to 16 MHz crystal oscillator reference clock
• Operation frequency
— 50MHz equivalent to 25MHz Bus Speed for single chip
— 50MHz equivalent to 25MHz Bus Speed in expanded bus modes
MC9S12B Family, Rev. 2.8
Freescale Semiconductor
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