
Chapter 1 MC9S12XF-Family Reference Manual
MC9S12XF - Family Reference Manual, Rev.1.19
Freescale Semiconductor
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— 8/10/12 Bit resolution
— Multiplexer for 16 analog input channels
—3
s, 12-bit single conversion time
— Left or right justied result data
— External and internal conversion trigger capability
— Internal oscillator for conversion in Stop Modes
— Wake-up from low power modes on analog comparison > or <= match
Enhanced Capture Timer (ECT)
— 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
— 4 x 8-bit or 2 x 16-bit pulse accumulators
— Four channels have enhanced input capture capabilities:
– Delay counter for noise immunity
– 16-bit capture buffer
– 8-bit pulse accumulator buffer
Enhanced Periodic Interrupt Timer (EPIT)
— Up to 8 timers with independent time-out periods
— Time-out periods selectable between 1 and 224 bus clock cycles
— Time-out interrupt and peripheral triggers
Real Time Interrupt (RTI)
— Real Time Interrupt for task scheduling purposes or cyclic wake-up
— Can be active in Pseudo Stop mode for low power precision timing tasks
Asynchronous Periodic Interrupt (API)
— Available in all modes including Full Stop mode
— Trimmable to +-5% accuracy
— Time-out periods range from 0.2ms to ~13s with a 0.2ms resolution
Pulse Width Modulator with Fault detection (PMF)
— Six channel Pulse width Modulator with Fault protection (PMF) optimized for electrical motor
control
— Three independent 15-bit counters with synchronous mode
— Complementary channel operation
— Edge and center aligned PWM signals
— Programmable dead time insertion
— Integral reload rates from 1 to 16
— Up to four fault protection shut down input pins depending on the package option
— Up to three current sense input pins depending on the package option (see
Table 1-9 Port and