Register descriptions, 1 device i.d. (read only), 2 revision i.d. (address 05h) (read only) – Cirrus Logic CS4234 User Manual
Page 52: 1 alpha revision (read only), 2 numeric revision (read only)
DS899F1
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CS4234
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 and B (Address 01h) (Read Only)
Device I.D. C and D (Address 02h) (Read Only)
Device I.D. E and F (Address 03h) (Read Only)
6.1.1
Device I.D. (Read Only)
Device I.D. code for the CS4234. Example:.
6.2
Revision I.D. (Address 05h) (Read Only)
6.2.1
Alpha Revision (Read Only)
CS4234 Alpha (silicon) revision level.
6.2.2
Numeric Revision (Read Only)
CS4234 Numeric (metal) revision level.
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.
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]
DEV. ID A[3:0]
DEV. ID B[3:0]
DEV. ID C[3:0]
DEV. ID D[3:0]
DEV. ID E[3:0]
DEV. ID F[3:0]
Part Number
4h
2h
3h
4h
0h
0h
CS4234
7
6
5
4
3
2
1
0
AREVID3
AREVID2
AREVID1
AREVID0
NREVID3
NREVID2
NREVID1
NREVID0
AREVID[3:0]
Alpha Revision Level
Ah
A
...
...
NREVID[3:0]
Numeric Revision Level
0h
0
...
...