MAC7200 datasheet(127/976 Pages) FREESCALE

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Detailed Signal Descriptions

MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

the pin. The pin is multiplexed with the eMIOS channels for the capturing of timed events or the output of

time based signals. At Reset the value of the pin is used to determine if the Nexus Port can be enabled using

the external Debug. The pin can be independently configured to wake the system out of low-power mode

(DOZE) when an external signal is applied using the interrupt functionality.

4.3.48

PF[2] / EMIOS[2] / AUTOACK — Port F I/O Pins, eMIOS Channels and

FlexBus Ack Selection

PF[2] is a configurable general purpose input or output pin. It can be independently configured to provide

either high or reduced output drive, and also to enable or disable either a pull-up or pull-down resistor on

the pin. The pin is multiplexed with the eMIOS channels for the capturing of timed events or the output of

time based signals. At Reset the value of the pin is used to determine whether the AutoAck feature is

enabled for the Global Chip Select of the FlexBus. The pin can be independently configured to wake the

system out of low-power mode (DOZE) when an external signal is applied using the interrupt

functionality.

4.3.49

PF[3] / EMIOS[3] / AUTOACK — Port F I/O Pins, eMIOS Channels and

FlexBus Port Size

PF[3] is a configurable general purpose input or output pin. It can be independently configured to provide

either high or reduced output drive, and also to enable or disable either a pull-up or pull-down resistor on

the pin. The pin is multiplexed with the eMIOS channels for the capturing of timed events or the output of

time based signals. At Reset the value of the pin is used to determine the Port Size for the Global Chip

Select of the FlexBus. The pin can be independently configured to wake the system out of low-power mode

(DOZE) when an external signal is applied using the interrupt functionality.

4.3.50

PF[4:7] / EMIOS[4:7] — Port F I/O Pins and eMIOS Channels

PF[4] to PF[7] are configurable general purpose input or output pins. They can be independently

configured to provide either high or reduced output drives, and also to enable or disable either a pull-up or

pull-down resistor on the pins. The pins are multiplexed with the eMIOS channels for the capturing of

timed events or the output of time based signals. Each pin can be independently configured to wake the

system out of low-power mode (DOZE) when an external signal is applied using the interrupt

functionality.

4.3.51

PF[8] / PCS[5] / PCSS — Port F I/O Pin and DSPI_C

PF[8] is a configurable general purpose input or output pin. It can be configured to provide either high or

reduced output drive, to enable or disable either a pull-up or pull-down resistor on the pin or to provide

either an open drain or push-pull pad. The pin can be configured as chip select pin PCS[5] when in Master

mode for the Serial Peripheral Interface C (DSPI_C), or as a Peripheral Chip Select Strobe to qualify the

other Chip Select signals to eliminate any decoding glitches. Each pin can be independently configured to

wake the system out of low-power mode (DOZE) when an external signal is applied using the interrupt

functionality.

MAC7200 Datasheet(PDF) 127 Page - Freescale Semiconductor, Inc

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