Enhanced Serial Audio Interface 1 (ESAI_1)
ESAI_1 Programming Model
MOTOROLA
DSP56367
11-11
11.3.4.1
RCCR_1 Rx High Freq. Clock Divider (RFP3-RFP0) - Bits 14–17
Since the ESAI_1 does not have the receiver high frequency clock pin, the RFP3–RFP0 bits
simply specify an additional division ratio in the clock divider chain. See Figure 11-4.
11.3.4.2
RCCR_1 Rx High Freq. Clock Polarity (RHCKP) - Bit 20
The ESAI_1 does not have the receiver high frequency clock pin. It it recommended that
RHCKP should be kept cleared.
11.3.4.3
RCCR_1 Rx High Freq. Clock Direction (RHCKD) - Bit 23
The ESAI_1 does not have the receiver high frequency clock pin. RHCKD must be set for
proper ESAI_1 receiver section operation.
11.3.5
ESAI_1 RECEIVE CONTROL REGISTER (RCR_1)
The read/write Receive Control Register (RCR_1) controls the ESAI_1 receiver section.
Hardware and software reset clear all the bits in the RCR_1 register.
Table 11-3 Receiver Clock Sources (asynchronous mode only)
RHCKD
RFSD
RCKD
Receiver
Bit Clock Source
OUTPUTS
0
X
X
Reserved
1
0
0
SCKR_1
1
0
1
INT
SCKR_1
1
1
0
SCKR_1
FSR_1
1
1
1
INT
FSR_1
SCKR_1
11
10
9
8
7
6
5
4
3
2
1
0
Y:$FFFF97
RSWS1 RSWS0 RMOD1 RMOD0
RWA
RSHFD
RE3
RE2
RE1
RE0
23
22
21
20
19
18
17
16
15
14
13
12
RLIE
RIE
REDIE
REIE
RPR
RFSR
RFSL
RSWS4 RSWS3 RSWS2
Reserved bit - read as zero; should be written with zero for future compatibility.
Figure 11-8 RCR_1 Register
Содержание DSP56367
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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 ...
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Страница 522: ...Index 6 MOTOROLA Index ...
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