S912XHY128F0VLM Datasheet, PDF(45/802 Page) Freescale Semiconductor, Inc – S12 Microcontrollers

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S912XHY128F0VLM Datasheet, PDF (45/802 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

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Device Overview MC9S12XHY-Family

1.7.3.25 PR1 / IOC0_7 / TXCAN1 / KWR1 â Port R I/O Pins 1

PR[1:0] are a general-purpose input or output pins. They can be conï¬gured as timer (TIM0) channel 7-6.

It can be conï¬gured as the transmit pin TXCAN of the scalable controller area network controller

(CAN1).They can be conï¬gured as keypad wakeup inputs.

1.7.3.26 PR0 / IOC0_6 / RXCAN1 / KWR0 â Port R I/O Pins 0

PR[1:0] are a general-purpose input or output pins. They can be conï¬gured as timer (TIM0) channel 7-6.

It can be conï¬gured as the receive pin RXCAN of the scalable controller area network controller

(CAN1).They can be conï¬gured as keypad wakeup inputs.

1.7.3.27 PP[7:0] / PWM[7:0] / FP[7:0] â Port P I/O Pins [7:0]

PP[7:0] are a general-purpose input or output pins. They can be conï¬gured as frontplane segment driver

output FP[7:0]. They can be conï¬gured as pulse width modulator (PWM) channel 7-0 output.

1.7.3.28 PH[7:4] / FP[26:23] â Port H I/O Pins [7:4]

PH[7:4] are a general-purpose input or output pins. They can be conï¬gured as frontplane segment driver

output FP[26:23].

1.7.3.29 PH3 / SS / FP[22]â Port H I/O Pin 3

PH3 is a general-purpose input or output pin. It can be conï¬gured as frontplane segment driver output

FP[22]. It can be conï¬gured as the slave selection pin SS for the serial peripheral interface (SPI).

1.7.3.30 PH2 / ECLK / SCK / FP[21] â Port H I/O Pin 2

PH2 is a general-purpose input or output pin. It can be conï¬gured as frontplane segment driver output

FP[21]. It can be conï¬gured as the serial clock SCK of the serial peripheral interface (SPI). It can be

conï¬gured to drive the internal bus clock ECLK. ECLK can be used as a timing reference. The ECLK

output has a programmable prescaler.

1.7.3.31 PH1 / MOSI / TXD1 / FP[20] â Port H I/O Pin 1

PH1 is a general-purpose input or output pin. It can be conï¬gured as frontplane segment driver output

FP[20]. It can be conï¬gured as the master output (during master mode) or slave input pin (during slave

mode) MOSI of the serial peripheral interface (SPI).It can be conï¬gured as the transmitpin TXD of serial

communication interface(SCI1).

1.7.3.32 PH0 / MISO / RXD1 / FP[19] â Port H I/O Pin 0

PH0 is a general-purpose input or output pin. It can be conï¬gured as frontplane segment driver output

FP[19]. It can be conï¬gured as the master input (during master mode) or slave output pin (during slave

mode) MISO for the serial peripheral interface (SPI).It can be conï¬gured as the receive pin RXD of serial

communication interface(SCI1).

MC9S12XHY-Family Reference Manual, Rev. 1.01

Freescale Semiconductor

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