wm8580a Wolfson Microelectronics plc, wm8580a Datasheet - Page 7
wm8580a
Manufacturer Part Number
wm8580a
Description
Multichannel Codec With S/pdif Transceiver
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8580A.pdf
(103 pages)
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WM8580A
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Production Data
3.
PAIFTX_BCLK
ADCMCLK
SAIF_DIN
SAIF_DOUT
SAIF_BCLK
SAIF_LRCLK
SPDIFIN2/3/4
GPO1 – GPO10
DR1/2/3/4
ALLPD
C
SFRM_CLK
192BLK
Table 2 Multi-Function Pin Description
w
PIN FUNCTION
ELSE
Notes for MFP1:
ADC_CLKSEL selected in REG 8, default is ADC_MCLK.
PAIFTXMS_CLKSEL selects PLLACLK if PAIF sources SPDIF Rx, otherwise PAIFTXMS_CLKSEL selects ADC_CLK
(register 8)
MFP2 usage can be described as follows:
IF
AND
AND
MFP2 = GPO2;
MFP2 = ADCMCLK;
(SAIFMS_CLKSEL ≠ ADCMCLK) THEN
(ADC_CLKSEL ≠ ADCMCLK)
(TX_CLKSEL ≠ ADCMCLK)
Digital Input/Output
Digital Input
Digital Input
Digital Output
Digital Input/Output
Digital Input/Output
Digital Input
Digital Output
Digital Input
Digital Input
Digital Output
Digital Output
Digital Output
TYPE
Primary Audio Interface Transmitter (PAIFTX) Bit Clock
Master ADC clock; 256fs, 384fs, 512fs ,786fs, 1024fs or 1152fs
Secondary Audio Interface (SAIF) Receiver data input
Secondary Audio Interface (SAIF) Transmitter data output
Secondary Audio Interface (SAIF) Bit Clock
Secondary Audio Interface (SAIF) Left/Right Word Clock
S/PDIF Receiver Input
General Purpose Output
Internal Digital Routing Configuration in Hardware Mode
Chip Powerdown in Hardware Mode
Recovered channel-bit for current S/PDIF sub-frame
Indicates current S/PDIF sub-frame:
1 = Sub-frame A
0 = Sub-frame B
Indicates start of S/PDIF 192-frame block. High for duration of frame 0.
(controlled by reg 8)
(controlled by reg 8)
(controlled by reg 8)
DESCRIPTION
PD, Rev 4.7, March 2009
WM8580
7
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