MC56F8345 Freescale Semiconductor, Inc, MC56F8345 Datasheet - Page 114

• Manufacturer Part Number: MC56F8345
• Description: 56f8300 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

114
1. This applies to the four pins that serve as Quad Decoder / Quad Timer / SPI / GPIOC functions. A separate set of control
2. Reset configuration
3. Quad Decoder pins are always inputs and function in conjunction with the Quad Timer pins.
GPIO Input
GPIO Output
Quad Timer Input /
Quad Decoder
Input
Quad Timer
Output / Quad
Decoder Input
SPI input
SPI output
bits is used for each pin.
Pin Function
2
3
Figure 6-10 Overall Control of Pads Using SIM_GPS Control
Table 6-2 Control of Pads Using SIM_GPS Control
Quad Timer Controlled
0
0
1
1
1
1
SPI Controlled
—
—
—
—
0
1
Control Registers
SIM_ GPS Register
56F8345 Technical Data, Rev. 17
GPIO Controlled
—
—
0
0
1
1
0
1
GPIOC_PER Register
—
—
—
—
0
1
See the “Switch Matrix for Inputs to the Timer”
table in the 56F8300 Peripheral User Manual
for the definition of timer inputs based on the
Quad Decoder mode configuration.
See SPI controls for determining the direction
of each of the SPI pins.
0
1
I/O Pad Control
Comments
1
Freescale Semiconductor
Preliminary