Register descriptions, 1 device i.d. a-f (address 01h-03h) (read only), 1 device i.d. (read only) – Cirrus Logic CS4244 User Manual
Page 47: 2 revision i.d. (address 05h) (read only), 1 alpha revision (read only), 2 numeric revision (read only)
DS900F1
47
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)
6.1.1
Device I.D. (Read Only)
Device I.D. code for the CS4244. Example:.
6.2
Revision I.D. (Address 05h) (Read Only)
6.2.1
Alpha Revision (Read Only)
CS4244 Alpha (silicon) revision level.
6.2.2
Numeric Revision (Read Only)
CS4244 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
CS4244
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
...
...