Enhanced Serial Audio Interface 1 (ESAI_1)
GPIO - Pins and Registers
MOTOROLA
DSP56367
11-17
11.5.2
PORT E DIRECTION REGISTER (PRRE)
The read/write 24-bit Port E Direction Register (PRRE) in conjunction with the Port E
Control Register (PCRE) controls the functionality of the ESAI_1 GPIO pins. Table 11-4
describes the port pin configurations. Hardware and software reset clear all PRRE bits.
Table 11-4 PCRE and PRRE Bits Functionality
PDE[i]
PE[i]
Port Pin[i] Function
0
0
disconnected
0
1
GPIO input
1
0
GPIO output
1
1
ESAI_1
11
10
9
8
7
6
5
4
3
2
1
0
Y:$FFFF9F
PE11
PE10
PE9
PE8
PE7
PE6
PE4
PE3
PE1
PE0
23
22
21
20
19
18
17
16
15
14
13
12
Reserved bit - read as zero; should be written with zero for future compatibility.
Figure 11-15 PCRE Register
11
10
9
8
7
6
5
4
3
2
1
0
Y:$FFFF9E
PDE11
PDE10
PDE9
PDE8
PDE7
PDE6
PDE4
PDE3
PDE1
PDE0
23
22
21
20
19
18
17
16
15
14
13
12
Reserved bit - read as zero; should be written with zero for future compatibility.
Figure 11-16 PRRE Register
Содержание DSP56367
Страница 16: ...xvi MOTOROLA CONTENTS Paragraph Number Title Page Number ...
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Страница 148: ...4 6 DSP56367 MOTOROLA Design Considerations PLL Performance Issues ...
Страница 248: ...9 30 DSP56367 MOTOROLA Serial Host Interface SHI Programming Considerations ...
Страница 306: ...10 58 DSP56367 MOTOROLA Enhanced Serial Audio Interface ESAI ESAI Initialization Examples ...
Страница 389: ...Bootstrap ROM Contents MOTOROLA DSP56367 A 15 end ...
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Страница 432: ...C 8 DSP56367 MOTOROLA JTAG BSDL ...
Страница 484: ...D 52 DSP56367 MOTOROLA Programmer s Reference ...
Страница 490: ...E 6 DSP56367 MOTOROLA Power Consumption Benchmark ...
Страница 516: ...F 26 DSP56367 MOTOROLA IBIS Model ...
Страница 522: ...Index 6 MOTOROLA Index ...
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