56F8036 datasheet(101/164 Pages) FREESCALE

101 / 164 page

56F8036 Data Sheet, Rev. 3

Freescale Semiconductor

101

Preliminary

6.3.19.1 Reserved—Bits 15–5

This bit field is reserved. Each bit must be set to 0.

6.3.19.2 Configure GPIOB9 (GPS_B9)—Bit 4

This field selects the alternate function for GPIOB9.

•

0 = SDA - I2C Serial Data (default)

•

1 = CANRX - MSCAN Receive Data

6.3.19.3 Reserved—Bit 3

This bit field is reserved. It must be set to 0.

6.3.19.4 Configure GPIOB8 (GPS_B8)—Bit 2

This field selects the alternate function for GPIOB8.

•

0 = SCL - I2C Serial Clock (default)

•

1 = CANTX - MSCAN Transmit Data

6.3.19.5 Reserved—Bit 1

This bit field is reserved. It must be set to 0.

6.3.19.6 Configure GPIOB7 (GPS_B7)—Bit 0

This field selects the alternate function for GPIOB7.

•

0 = TXD0 - QSCI0 Transmit Data (default)

•

1 = SCL - I2C Serial Clock

6.3.20 SIM GPIO Peripheral Select Register for GPIOC and GPIOD

(SIM_GPSCD)

See Section 6.3.16 for general information about GPIO Peripheral Select Registers.

Figure 6-23 GPIO Peripheral Select Register for GPIOC and GPIOD (SIM_GPSCD)

6.3.20.1 Reserved—Bits 15–13

This bit field is reserved. Each bit must be set to 0.

Base + $17

Read

GPS_

Write

RESET

00000000

0000

56F8036 Datasheet(PDF) 101 Page - Freescale Semiconductor, Inc