S912XEG384J3VA Datasheet, PDF(65/1324 Page) Freescale Semiconductor, Inc – MC9S12XEP100 Reference Manual Covers MC9S12XE Family

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S912XEG384J3VA Datasheet, PDF (65/1324 Pages) Freescale Semiconductor, Inc – MC9S12XEP100 Reference Manual Covers MC9S12XE Family

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Chapter 1 Device Overview MC9S12XE-Family

interrupt is level sensitive and active low. As XIRQ is level sensitive, while this pin is low the MCU will

not enter STOP mode.

1.2.3.20 PF7 / TXD3 â Port F I/O Pin 7

PF7 is a general-purpose input or output pin. It can be conï¬gured as the transmit pin TXD of serial

communication interface 3 (SCI3).

1.2.3.21 PF6 / RXD3 â Port F I/O Pin 6

PF6 is a general-purpose input or output pin. It can be conï¬gured as the transmit pin RXD of serial

communication interface 3 (SCI3).

1.2.3.22 PF5 / SCL0 â Port F I/O Pin 5

PF5 is a general-purpose input or output pin. It can be conï¬gured as the serial clock pin SCL of the IIC0

module.

1.2.3.23 PF4 / SDA0 â Port F I/O Pin 4

PF4 is a general-purpose input or output pin. It can be conï¬gured as the serial data pin SDA of the IIC0

module.

1.2.3.24 PF[3:0] / CS[3:0] â Port F I/O Pins 3 to 0

PF[3:0] are a general-purpose input or output pins. They can be conï¬gured as chip select outputs [3:0].

1.2.3.25 PH7 / KWH7 / SS2 / TXD5 â Port H I/O Pin 7

PH7 is a general-purpose input or output pin. It can be conï¬gured as a keypad wakeup input. It can be

conï¬gured as slave select pin SS of the serial peripheral interface 2 (SPI2). It can be conï¬gured as the

transmit pin TXD of serial communication interface 5 (SCI5).

1.2.3.26 PH6 / KWH6 / SCK2 / RXD5 â Port H I/O Pin 6

PH6 is a general-purpose input or output pin. It can be conï¬gured as a keypad wakeup input. It can be

conï¬gured as serial clock pin SCK of the serial peripheral interface 2 (SPI2). It can be conï¬gured as the

receive pin (RXD) of serial communication interface 5 (SCI5).

1.2.3.27 PH5 / KWH5 / MOSI2 / TXD4 â Port H I/O Pin 5

PH5 is a general-purpose input or output pin. It can be conï¬gured as a keypad wakeup input. It can be

conï¬gured as master output (during master mode) or slave input pin (during slave mode) MOSI of the

serial peripheral interface 2 (SPI2). It can be conï¬gured as the transmit pin TXD of serial communication

interface 4 (SCI4).

MC9S12XE-Family Reference Manual Rev. 1.25

Freescale Semiconductor

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