CM119B
USB Audio Single Chip
0x2C
0x2D
0x2E
0x2F
0x30
0x31
bit[15:0] DAC Minimum Volume (0xD300, DAC-Min.=-37dB, default=-37dB)
bit[15:0] DAC Maximum Volume (0x0000, DAC-Max.=0dB, default=0dB)
bit[15:0] ADC Minimum Volume(0xEA00, ADC-Min.=-22dB, default=-12dB)
bit[15:0] ADC Maximum Volume(0x1700, ADC-Max.=+23dB, default=+23dB)
bit[15:0] AA Minimum Volume (0xE900, AA-Min.=-23dB, default=-23dB)
bit[15:0] AA Maximum Volume (0x0800,AA-Max.+8dB, default=+8dB)
EE_OPTION2 Register
bit[3] Reserved, should be 0
0x32
bit[2] Reserved, should be 0
bit[1] Reserved, should be 1
bit[0] Reserved, should be 0
~ END
6.2 EEPROM SPI interface Timing Information
CS
tCSS
tSKH
tSKL
tCSH
SK
DI
tDIS
tDIH
tDF
tDF
tPD0
tPD1
DO(READ)
DO(PROG)
tSV
STATUS VALID
Symbol
Parameter
Test Condition*
Min
Typ
Max
Units
fSK
SK Clock Frequency
SK High Time
2.7V<=Vcc<=5.5V
0
-
200
KHz
tSKH
2.7V<=Vcc<=5.5V
250
-
-
ns
tSKL
tCS
SK Low Time
2.7V<=Vcc<=5.5V
2.7V<=Vcc<=5.5V
2.7V<=Vcc<=5.5V
250
250
50
-
-
-
-
-
-
ns
ns
ns
Minimum CS Low Time
CS Setup Time
tCSS
tDIS
tCSH
tDIH
DI Setup Time
CS Hold Time
DI Hold Time
2.7V<=Vcc<=5.5V
2.7V<=Vcc<=5.5V
2.7V<=Vcc<=5.5V
100
0
-
-
-
-
-
-
ns
ns
ns
100
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Revised: Aug. 2013 Copyright© C-Media Electronics Inc.
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