CS4244 Datasheet, PDF (47/63 Pages) Cirrus Logic – 4 In/4 Out Audio CODEC with PCM and TDM Interfaces

CS4244
6. REGISTER DESCRIPTIONS
All registers are read/write unless otherwise stated. All “Reserved” bits must maintain their default state. Default
values are shaded.
6.1 Device I.D. A–F (Address 01h–03h) (Read Only)
7
6
5
4
3
2
1
0
DEV. ID A[3:0]
DEV. ID B[3:0]
7
6
5
4
3
2
1
0
DEV. ID C[3:0]
DEV. ID D[3:0]
7
6
5
4
3
2
1
0
DEV. ID E[3:0]
DEV. ID F[3:0]
6.1.1
Device I.D. (Read Only)
Device I.D. code for the CS4244. Example:.
DEV. ID A[3:0] DEV. ID B[3:0] DEV. ID C[3:0]
4h
2h
3h
DEV. ID D[3:0]
4h
DEV. ID E[3:0]
0h
DEV. ID F[3:0]
0h
Part Number
CS4244
6.2 Revision I.D. (Address 05h) (Read Only)
7
AREVID3
6
AREVID2
5
AREVID1
4
AREVID0
3
NREVID3
6.2.1
Alpha Revision (Read Only)
CS4244 Alpha (silicon) revision level.
AREVID[3:0]
Ah
...
Alpha Revision Level
A
...
2
NREVID2
1
NREVID1
0
NREVID0
6.2.2
Numeric Revision (Read Only)
CS4244 Numeric (metal) revision level.
NREVID[3:0]
0h
...
Numeric Revision Level
0
...
Note: The Alpha and Numeric revision I.D. are used to form the complete device revision I.D. Example:
A0, A1, B0, B1, B2, etc.
DS900F2
47