STA330 Datasheet, PDF (48/55 Pages) STMicroelectronics – 2.0 digital audio processor with FFX digital modulator and analog and digital inputs

Registers
STA330
MISC
Miscellaneous configuration register
Bit 7
OSC_DIS
Bit 6
Bit 5
P2P_FS_RANGE[2:0]
Bit 4
Bit 3
Bit 2
ADC_FS_RANGE[1:0]
Bit 1
P2P_IN_ADC
Bit 0
CORE_
CLKENBL
Address:
0x20
Type:
R/W
Buffer:
No
Reset:
0x21
Description:
7 OSC_DIS: enable/disable crystal oscillator:
0: default
1: disabled
6:4 P2P_FS_RANGE[2:0]: FFX audio frequency range:
000: very low (f_s = 8 to 12 kHz)
001: low (f_s = 16 to 24 kHz)
010: normal (f_s = 32 to 48 kHz) (default)
011: high (f_s = 64 to 96 kHz)
1X: very high (f_s = 128 to 192 kHz)
3:2 ADC_FS_RANGE[2:0]: ADC audio frequency range:
00: normal (f_s = 32 to 48 kHz) (default)
01: low (f_s = 16 to 24 kHz)
1X: very low (f_s = 8 to 12 kHz)
1 P2P_IN_ADC: FFX input:
0: FFX input is from serial-to-parallel audio interface (default)
1: FFX input is from ADC
0 CORE_CLKENBL: availability of system clock:
0: FFX system clock disabled
1: FFX system clock enabled (default)
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