Freescale Semiconductor 56F8122 Manual De Usuario
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56F8322 Techncial Data, Rev. 10.0
86
Freescale Semiconductor
Preliminary
Note: PWM is NOT available in the 56F8122 device.
, the GPIO has the final control over which pin controls the I/O. SIM_GPS simply
decides which peripheral will be routed to the I/O.
Figure 6-10 Overall Control of Pads Using SIM_GPS Control
Figure 6-11 GPIO Peripheral Select Register (SIM_GPS)
6.5.8.1
Reserved—Bits 15–8
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.5.8.2
GPIO C6 (C6)—Bit 7
This bit selects the alternate function for GPIOC6.
•
0 = TC0 (default)
•
1 = TXD0
6.5.8.3
GPIOC5 (C5)—Bit 6
This bit selects the alternate function for GPIOC5.
•
0 = TC1 (default)
•
1 = RXD0
Base + $B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
0
0
0
0
0
0
0
C6
C5
B1
B0
A5
A4
A3
A2
Write
RESET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
GPIOX_PER Register
GPIO Controlled
I/O
Pad Control
SIM_GPS Register
Quad Timer Controlled
SCI Controlled
0
1
0
1