STA016A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STA016A' PDF : 43 Pages View PDF
STA016A
6.7 CDBSA_CONFIGURATION registers
description
6.7.1 INPUT_CONF :
b7 b6 b5 b4 b3 b2 b1 b0
Address : 0x5A (90)
Type : RW - DEC
Software Reset : 0
Description :
If set to 1 enable the configurability of the CD & BS
input interfaces in audio mode thanks to following
registers, else disable this configurability and take
embedded default configuration.
Note that this embedded default configuration can be
retrieved by user thanks to following setting :
– I_AUDIO_CONFIG1 = b00010010;
// clocks in input
// & polarity negative
– I_AUDIO_CONFIG2 = b00110010;
// synchro with first data bit
// data unsigned, MSB first
– I_AUDIO_CONFIG3 = b11001111;
// LRCK phase length is 1
– I_AUDIO_CONFIG4 = b00000011;
// LRCK phase length is 16
– I_AUDIO_CONFIG5 = 0xFF;
// received 16 bits
– I_AUDIO_CONFIG6 = 0xFF;
// received 16 bits
– I_AUDIO_CONFIG7 = 0x00;
// received 16 bits
– I_AUDIO_CONFIG8 = 0x00;
// received 16 bits
– I_AUDIO_CONFIG9 = 16;
// data size is 16
– I_AUDIO_CONFIG10 = 0x00;
// no use because clock in input
– I_AUDIO_CONFIG11 = 0x00;
// no use because clock in input
6.7.2 _AUDIO_CONFIG_1 :
b7 b6 b5 b4 b3 b2 b1 b0
CF7 CF6 CF5 CF4 CF3 CF2 CF1 CF0
Address : 0x5B (91)
Type : RW - DEC
Software Reset : 0
Description :
If INPUT_CONF == 1, this register is used to config-
urate CD & BS input interfaces in audio mode
Table 19.
Bit
Comment
CF0 Reserved : to be set to 0
CF1 Reserved : to be set to 1
CF2 Direction of bit clocks CD_BCK & BS_BCK:
0 : input
1 : output
CF3 Polarity of bit clocks CD_BCK & BS_BCK :
0 : data provided on falling edge & stable on
rising edge
1 : data provided on rising edge & stable on
falling edge
CF4 Reserved : to be set to 1
CF5 Direction of LR clocks CD_LRCK &
BS_LRCK :
0 : input
1 : output
CF6 Polarity of LR clocks CD_LRCK &
BS_LRCK :
0 : left sample corresponds to the low level
phase of LRCK
1 : left sample corresponds to the high level
phase of LRCK
CF7 Reserved : to be set to 0
6.7.3 I_AUDIO_CONFIG_2 :
b7 b6 b5 b4 b3 b2 b1 b0
CF15 CF14 CF13 CF12 CF11 CF10 CF9 CF8
Address : 0x5C (92)
Type : RW - DEC
Software Reset : 0
Description :
If INPUT_CONF == 1, this register is used to config-
urate CD & BS input interfaces in audio mode
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