Datasheet

Configuration
56F8037/56F8027 Data Sheet, Rev. 8
Freescale Semiconductor 133
GPIOB0 SCLK0 / SCL 42 SIM register SIM_GPS is used to
select between SCLK and SCL.
Defaults to B0
GPIOB1 SS0 / SDA 2 SIM register SIM_GPS is used to
select between SS0 and SDA.
Defaults to B1
GPIOB2 MISO0 / TA2 / PSRC0 33 SIM register SIM_GPS is used to
select between MISO0, TA2, and
PSRC0.
Defaults to B2
GPIOB3 MOSI0 / TA3 / PSRC1 32 SIM register SIM_GPS is used to
select between MOSI0, TA3 and
PSRC1.
Defaults to B3
GPIOB4 TA0 / CLKO / SS1
/ TB0 /
PSRC2
38 SIM register SIM_GPS is used to
select between TA0, CLKO, SS1, TB0,
and PSRC2.
Defaults to B4
GPIOB5 TA1 / FAULT3 / CLKIN 4 SIM register SIM_GPS is used to
select between TA1, FAULT3, and
CLKIN.
CLKIN functionality is enabled using
the PLL Control Register within the
OCCS block.
Defaults to B5
GPIOB6 RXD0 / SDA / CLKIN 1 SIM register SIM_GPS is used to
select between RXD0, SDA, and
CLKIN.
CLKIN functionality is enabled using
the PLL Control Register within the
OCCS block.
Defaults to B6
GPIOB7 TXD0 / SCL 3 SIM register SIM_GPS is used to
select between TXD0 and SCL.
Defaults to B7
GPIOB8 SCL / CANTX 54 SIM register SIM_GPS is used to
select between SCL and CANTX.
Defaults to B8
GPIOB9 SDA / CANRX 46 SIM register SIM_GPS is used to
select between SDA and CANRX.
Defaults to B9
GPIOB10 TB0 / CMPAO 30 SIM register SIM_GPS is used to
select between TB0 and CMPAO.
Defaults to B10
Table 8-2 GPIO External Signals Map (Continued)
GPIO Function Peripheral Function
LQFP
Package Pin
Notes