CS8420-DSR Cirrus Logic Inc, CS8420-DSR Datasheet - Page 47

• Manufacturer Part Number: CS8420-DSR
• Description: Audio DSPs IC Digital Audio Sample Rate Convertr
• Manufacturer: Cirrus Logic Inc

Specifications of CS8420-DSR

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS245F4
10.19 Sample Rate Ratio (1Eh) (Read Only)
SRR[7:6
SRR[5:0]
10.20 C-Bit or U-Bit Data Buffer (20h - 37h)
10.21 CS8420 I.D. and Version Register (7Fh) (Read Only)
ID[3:0]
VER[3:0]
SRR7
ID3
7
7
Either channel status data buffer E or user data buffer E (provided UBM bits are set to block mode) is ac-
cessible via these register addresses.
SRR6
ID2
The Sample Rate Ratio is Fso divided by Fsi. This value is represented as an integer and a
fractional part. The value is meaningful only after the both the PLL and SRC have reached lock,
and the SRC output is being used
The integer part of the sample rate ratio
ID code for the CS8420. Permanently set to 0001
Revision B is coded as 0001
Revision C is coded as 0011
Revision D is coded as 0100
The fractional part of the sample rate ratio
CS8420 Revision Level:
6
6
SRR5
ID1
5
5
SRR4
ID0
4
4
SRR3
VER3
3
3
SRR2
VER2
2
2
SRR1
VER1
1
1
CS8420
SRR0
VER0
ID3
0
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