Datasheet

MC56F825x/MC56F824x Digital Signal Controller, Rev. 3
Signal/Connection Descriptions
Freescale Semiconductor28
GPIOF1
(CLKO)
(XB_IN7)
38 50 Input/
Output
Output
Input
Input,
internal
pullup
enabled
Port F GPIO — This GPIO pin can be individually programmed as
an input or output pin.
CLKO — This is a buffered clock output; the clock source is selected
by clockout select (CLKOSEL) bits in the clock output select register
(CLKOUT) of the SIM.
XB_IN7 — Crossbar module input 7
After reset, the default state is GPIOF1.
GPIOF2
(SCL1)
(XB_OUT2)
39 Input/
Output
Input/
Open-drain
Output
Output
Input,
internal
pullup
enabled
Port F GPIO — This GPIO pin can be individually programmed as
an input or output pin.
SCL1 — The I
2
C1 serial clock.
XB_OUT2 — Crossbar module output 2
After reset, the default state is GPIOF2.
GPIOF3
(SDA1)
(XB_OUT3)
40 Input/
Output
Input/
Open-drain
Output
Output
Input,
internal
pullup
enabled
Port F GPIO — This GPIO pin can be individually programmed as
an input or output pin.
SDA1 — The I
2
C1 serial data line.
XB_OUT3 — Crossbar module output 3
After reset, the default state is GPIOF3.
GPIOF4
(TXD1)
(XB_OUT4)
41 Input/
Output
Output
Output
Input,
internal
pullup
enabled
Port F GPIO — This GPIO pin can be individually programmed as
an input or output pin.
TXD1 — The SCI1 transmit data output or transmit/receive in single
wire operation.
XB_OUT4 — Crossbar module output 4
After reset, the default state is GPIOF4.
GPIOF5
(RXD1)
(XB_OUT5)
42 Input/
Output
Output
Output
Input,
internal
pullup
enabled
Port F GPIO — This GPIO pin can be individually programmed as
an input or output pin.
RXD1 — The SCI1 receive data input.
XB_OUT5 — Crossbar module output 5
After reset, the default state is GPIOF5.
Table 5. MC56F825x/MC56F824x Signal and Package Information (continued)
Signal
Name
44
LQFP
48
LQFP
64
LQFP
Type
State
During
Reset
Signal Description