Datasheet

Signal Descriptions
Freescale Semiconductor 14-27
14.2.10.4 Request-to-Send (URTS[1:0])
The URTS[1:0] signals are automatic request to send outputs from the UART modules. URTS[1:0] can
also be configured to be asserted and negated as a function of the Rx FIFO level.
The URTS
[1:0] outputs are each offered as secondary functions on four pins: DTIN3, DTOUT3, DTIN1
and DTOUT1.
14.2.11 General Purpose Timer Signals
These pins provide the external interface to the general purpose timer functions.
14.2.11.1 GPTA[3:0]
These pins provide the external interface to the timer A functions.
These pins can also be configured as GPIO PTA[3:0].
14.2.11.2 GPTB[3:0]
These pins provide the external interface to the timer B functions.
These pins can also be configured as GPIO PTB[3:0].
14.2.11.3 External Clock Input (SYNCA/SYNCB)
These pins are used to clear the clock for each of the two timers, and are provided as a means of
synchronization to externally clocked or timed events.
14.2.12 DMA Timer Signals
This section describes the signals of the four DMA timer modules.
14.2.12.1 DMA Timer 0 Input (DTIN0)
The DMA timer 0 input (DTIN0) can be programmed to cause events to occur in DMA timer 0. It can
either clock the event counter or provide a trigger to the timer value capture logic.
This pin can also be configured as GPIO PTD1, secondary function UCTS1
, or secondary function
UCTS0.
14.2.12.2 DMA Timer 0 Output (DTOUT0)
The programmable DMA timer output (DTOUT0) pulse or toggle on various timer events.
This pin can also be configured as GPIO PTD0, secondary function UCTS1
, or secondary function
UCTS0.
14.2.12.3 DMA Timer 1 Input (DTIN1)
The DMA timer 1 input (DTIN1) can be programmed to cause events to occur in DMA timer 1. This can
either clock the event counter or provide a trigger to the timer value capture logic.
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3