Cirrus Logic CS5378 - Manual (Page 72)

CS5378
DS639F3 72
20.2.1 CONFIG : 0x00
(MSB)23 22 21 20 19 18 17 16
-- -- -- -- -- DFS2 DFS1 DFS0
R/W R/W R/W R/W R/W R/W R/W R/W
0 0 0 0 0 1 0 1
15 14 13 12 11 10 9 8
-- -- -- -- -- MCKFS2 MCKFS1 MCKFS0
R/W R/W R/W R/W R/W R/W R/W R/W
0 0 0 0 0 1 0 0
7 6 5 4 3 2 1 (LSB)0
STAT -- -- MCKEN MDIFS -- BOOT MSEN
R/W R/W R/W R/W R/W R/W R R/W
0 0 0 0 0 0 0 1
Figure 43. Hardware Configuration Register CONFIG
Bit definitions:
23:19 -- reserved 15:11 -- reserved 7:6 STAT Serial Data Status Byte
1: Disabled (24-bit output)
0: Enabled (32-bit output)
18:16 DFS
[2:0]
Digital filter
frequency select
111: Reserved
110: 8.192 MHz
101: 4.096 MHz
100: 2.048 MHz
011: 1.024 MHz
010: 512 kHz
001: 256 kHz
000: 32 kHz 10:8 MCKFS
[2:0] MCLK frequency select
111: reserved
110: reserved
101: 4.096 MHz
100: 2.048 MHz
011: 1.024 MHz
010: 512 kHz
001: reserved
000: reserved 5 -- reserved
4 MCKEN MCLK output enable
1: Enabled
0: Disabled
3 MDIFS MDATA input frequency
select
1: 256 kHz
0: 512 kHz
2 -- reserved
1 BOOT Boot source indicator
1: Booted from EEPROM
0: Booted from Micro
0 MSEN MSYNC enable
1: MSYNC generated
0: MSYNC remains low
DF Address: 0x00
-- Not defined;
read as 0
R Readable
W Writable
R/W Readable and
Writable
Bits in bottom rows
are reset condition