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STA016A View Datasheet(PDF) - STMicroelectronics

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STA016A Datasheet PDF : 43 Pages
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STA016A
the output crossbar according following table
Table 13. .
CR1
0
0
1
1
CR0
0
1
0
1
Comment
Left channel is mapped on the left
output.
Right channel is mapped on the right
output.
Left channel is duplicated on both output
channels.
Right channel is duplicated on both
output channels.
Right and left channels are toggled.
6.5 GPSO_CONFIGURATION registers
description
6.5.1 OUTPUT_CONF :
b7 b6 b5 b4 b3 b2 b1 b0
X X X X X 0C2 OC1 OC0
Address : 0x66 (102)
Type : RW - DEC
Software Reset : 0
Description
Table 14. :
Bit fields
Comment
OC0
Configuration of gpso :
0 : take embedded default configuration.
1 : configure gpso from register
GPSO_CONF.
OC1
Use of block PCM to generate clocks
(PCMCK, LRCK & BCK):
0 : no use.
1 : use it.
OC2
Configuration of PCM block:
0 : take embedded default configuration.
1 : configure PCM block from PCM_DIV
& PCM_CONF registers.
Note that embedded default configuration for GPSO
can be retrieved by user thanks to following setting :
– GPSO_CONF = b00000011;
Note that embedded default configuration for PCM
block is described at previous chapter.
6.5.2 GPSO_CONF :
b7 b6 b5 b4 b3 b2 b1 b0
CF7 CF6 CF5 CF4 CF3 CF2 CF1 CF0
Address : 0x6A (106)
Type : RW - DEC
Software Reset : 0
Description :
If OUTPUT_CONF == 1, this register configure the
GPSO interface
Table 15. .
Bit
fields
CF0
CF1
CF[7:2]
Comment
Polarity of GPSO_CK :
0 : data provided on rising edge & stable on
falling edge
1 : data provided on falling edge & stable on
rising edge
Polarity of GPSO_REQ :
0 : data are valid when GPSO_REQ is high
1 : data are valid when GPSO_REQ is low
Reserved : to be set to 0.
6.6 I2Sin_CONFIGURATION registers
description
6.6.1 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 I2Sin Input
thanks to following registers, else disable this config-
urability and take embedded default configuration for
I2Sin registers.
Note that this embedded default configuration can be
retrieved by user thanks to following setting :
– I_AUDIO_CONFIG_1 = b00000110;
– I_AUDIO_CONFIG_2 = b11100000;
– I_AUDIO_CONFIG_3 = b00000001;
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