W681307DG Datasheet, PDF (59/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
Bit 7
Reserved
Bit 6
Reserved
Bit 5
Reserved
Bit 4
Reserved
Bit 3
Reserved
Bit 2
Reserved
Bit 1
Bit 0
Blocked
Blocked
(for test modes) (for test modes)
10.5.3
Speech IO Direction
Address
Access Mode
0x1462
R/W
Value At Reset
0x0F
Nominal Value
Bit 7
Reserved
Bit 6
Reserved
Bit 5
Reserved
Bit 4
Reserved
Bit 3
Bit 2
Bit 1
Bit 0
SpeechIoD[3] SpeechIoD[2] SpeechIoD[1] SpeechIoD[0]
When set PCM interface as General I/O, this register set the I/O direction.
SpeechIoD[0]
=1: PCM0 pin will be operated as input port.
=0: PCM0 pin operated as output mode.
SpeechIoD[1]
=1: PCM1 pin will be operated as input port.
=0: PCM1 pin operated as output mode.
SpeechIoD[2]
=1: PCM2 pin will be operated as input port.
=0: PCM2 pin operated as output mode.
SpeechIoD[3]
=1: PCM3 pin will be operated as input port.
=0: PCM3 pin operated as output mode.
10.5.4
Speech IO Input Data
Address
Access Mode Value At Reset
0x1463
R/W
0x00
Nominal Value
Bit 7
Reserved
Bit 6
Reserved
Bit 5
Reserved
Bit 4
Reserved
Bit 3
Bit 2
Bit 1
Bit 0
SpeechIoI[3] SpeechIoI[2] SpeechIoI[1] SpeechIoI[0]
SpeechIoI
When PCM interface is configured as input port, this register reflects the input data.
10.5.5
Speech IO Output Data
Address
Access Mode Value At Reset
0x1464
R/W
0x00
Nominal Value
Bit 7
Reserved
Bit 6
Reserved
Bit 5
Reserved
Bit 4
Reserved
Bit 3
Bit 2
Bit 1
Bit 0
SpeechIoO[3] SpeechIoO[2] SpeechIoO[1] SpeechIoO[0]
SpeechIoO
When PCM interface is configured as output port, this register set to output data.
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Publication Release Date: May, 2007
Revision 1.3