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System Integration Unit (SIU)
16.6.15.134Pad Configuration Register 215 (SIU_PCR215)
SIU_BASE+0x1EE
0
1
R
0
0
W
Reset
0
0
= Unimplemented or Reserved
1
Input and output buffers are enabled/disabled based on PA selection. Both input and output buffer disabled for
AN[12] function. Output buffer only enabled for MA[0], ETPU and SDS functions.
Signal
Primary
AN[12]
ALT1
MA[0]
ALT2
ETPU_A[19]
GPIO
SDS
1
In cases where an I/O function can be either an input or an output, I/O direction is specified using the IBE and OBE
bits. Set IBE = 1 for input or OBE = 1 for output.
2
For I/O functions that change direction dynamically, such as the external data bus, switching between input and
output is handled internally and the IBE and OBE bits are ignored.
16.6.15.135Pad Configuration Register 216 (SIU_PCR216)
SIU_BASE+0x1F0
0
1
R
0
0
W
Reset
0
0
= Unimplemented or Reserved
1
Input and output buffers are enabled/disabled based on PA selection. Both input and output buffer disabled for
AN[13] function. Output buffer only enabled for MA[1], ETPU and SDO functions.
Signal
Primary
AN[13]
ALT1
MA[1]
ALT2
ETPU_A[21]
GPIO
SDO
504
2
3
4
5
6
1
PA
0
0
0
0
1
0
Figure 16-167. Pad Configuration Register (SIU_PCR215)
Table 16-170. SIU_PCR215 PA values
Name
Module
eQADC
eQADC
eTPU
eQADC
2
3
4
5
6
1
PA
0
0
0
0
1
0
Figure 16-168. Pad Configuration Register (SIU_PCR216)
Table 16-171. SIU_PCR216 PA values
Name
Module
eQADC
eQADC
eTPU
eQADC
MPC5644A Microcontroller Reference Manual, Rev. 6
7
8
9
10
11
0
0
0
ODE
HYS
0
0
0
0
0
1,2
Description
I/O
Analog input
I
Mux address
O
eTPU channel
O
Serial data select O
7
8
9
10
11
0
0
0
ODE
HYS
0
0
0
0
0
1,2
Description
I/O
Analog input
I
Mux address
O
eTPU channel
O
Serial data output O
12
13
14
15
SRC
WPE
WPS
0
0
0
0
PA value
0b0001
0b0010
0b0100
0b0000
12
13
14
15
SRC
WPE
WPS
0
0
0
0
PA value
0b0001
0b0010
0b0100
0b0000
Freescale Semiconductor
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