MC56F8347 Freescale Semiconductor, Inc, MC56F8347 Datasheet - Page 113

• Manufacturer Part Number: MC56F8347
• Description: 56f8300 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Preliminary
1. This applies to the four pins that serve as Quad Decoder / Quad Timer / SPI / GPIOC functions. A separate set of control bits
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
is used for each pin.
Pin Function
Figure 6-10 Overall Control of Pads Using SIM_GPS Control
2
3
Table 6-2 Control of Pads Using SIM_GPS Control
Quad Timer Controlled
0
0
1
1
1
1
SPI Controlled
—
—
—
—
0
1
SIM_ GPS Register
Control Registers
56F8347 Technical Data, Rev.11
GPIO Controlled
—
—
0
0
1
1
0
1
GPIOC_PER Register
—
—
—
—
0
1
0
1
See the “Switch Matrix for Inputs to the Timer”
table in the 56F8300 Peripheral User’s
Manual for the definition of the timer inputs
based on the Quad Decoder Mode
configuration.
of each of the SPI pins.
See SPI controls for determining the direction
I/O Pad Control
Comments
1
Register Descriptions
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