mc68hc916y3 Freescale Semiconductor, Inc, mc68hc916y3 Datasheet - Page 310

• Manufacturer Part Number: mc68hc916y3
• Description: Mc68hc16y3 16 Bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

14.2 TPU2 Components
14.2.1 Time Bases
14-2
MOTOROLA
The A mask set (or original mask set) includes the following functions:
The G mask set (or motion control mask set) includes the following functions:
The TPU2 consists of two 16-bit time bases, sixteen independent timer channels, a
task scheduler, a microengine, and a host interface. In addition, a dual-ported param-
eter RAM is used to pass parameters between the module and the CPU16.
Two 16-bit counters provide reference time bases for all output compare and input
capture events. Prescalers for both time bases are controlled by the CPU16 via bit
fields in the TPU2 module configuration register (TPUMCR) and TPU module config-
uration register 2 (TPUMCR2). Timer count registers TCR1 and TCR2 provide access
to the current counter values. TCR1 and TCR2 can be read by TPU microcode, but
are not directly available to the CPU16. The TCR1 clock is always derived from the
system clock. The TCR2 clock can be derived from the system clock or from an exter-
nal input via theT2CLK clock pin. The duration between active edges on the T2CLK
clock pin must be at least nine system clocks.
• Discrete input/output
• Input capture/input transition counter
• Output compare
• Pulse width modulation
• Synchronized pulse width modulation
• Period measurement with additional transition detect
• Period measurement with missing transition detect
• Position-synchronized pulse generator
• Stepper motor
• Period/pulse width accumulator
• Quadrature decode
• Table stepper motor
• New input capture/transition counter
• Queued output match
• Programmable time accumulator
• Multichannel pulse width modulation
• Fast quadrature decode
• Universal asynchronous receiver/transmitter
• Brushless motor communication
• Frequency measurement
• Hall effect decode
Freescale Semiconductor, Inc.
For More Information On This Product,
TIME PROCESSOR UNIT 2
Go to: www.freescale.com
MC68HC16Y3/916Y3
USER’S MANUAL