cs4244-enzr Cirrus Logic, Inc., cs4244-enzr Datasheet - Page 49
cs4244-enzr
Manufacturer Part Number
cs4244-enzr
Description
4 In/4 Out Audio Codec With Pcm And Tdm Interfaces
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS4244-ENZR.pdf
(66 pages)
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DS900PP2
6.3
6.3.1
6.3.2
6.3.3
7
BASE RATE[1:0]
Clock & SP Select (Address 06h)
Base Rate Advisory
Advises the CS4244 of the base rate of the incoming base rate. This allows for the de-emphasis filters to
be adjusted appropriately. The CS4244 includes on-chip digital de-emphasis for 32, 44.1, and 48 kHz
base rates. It is not supported for 96 kHz or for any settings in Double Speed Mode.
Speed Mode
Sets the speed mode in which the CS4244 will operate..
Master Clock Rate
Sets the rate at which the master clock is entering the CS4244. Settings are given in “x” multiplied by the
incoming sample rate, as MCLK must scale directly with incoming sample rate.
BASE RATE
00
01
10
11
SPEED MODE
00
01
10
11
MCLK RATE
000
001
010
011
100
101
110
111
6
Base Rate is:
48 kHz
44.1 kHz
32 kHz
Reserved
Speed Mode is:
Single Speed Mode
Double Speed Mode
Reserved
Auto Detect (Slave Mode only)
MCLK is:
256xF
384xF
512xF
Reserved
Reserved
Reserved
Reserved
Reserved
S
S
S
in Single Speed Mode or 128xF
in Single Speed Mode or 192xF
in Single Speed Mode or 256xF
SPEED MODE[1:0]
5
4
S
S
S
in Double Speed Mode
in Double Speed Mode
in Double Speed Modex
3
MCLK RATE[2:0]
2
1
CS4244
Reserved
0
49
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