CS48DV2B-CQZR Cirrus Logic Inc, CS48DV2B-CQZR Datasheet - Page 19

• Manufacturer Part Number: CS48DV2B-CQZR
• Description: IC DSP AUDIO 32BIT 2CH 48-LQFP
• Manufacturer: Cirrus Logic Inc
• Type: Fixed Pointr

Specifications of CS48DV2B-CQZR

• Interface: I²C, SPI
• Clock Rate: 150MHz
• Voltage - I/o: 3.30V
• Voltage - Core: 1.80V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Non-volatile Memory: -
• On-chip Ram: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

5.15 Switching Characteristics — Digital Audio Output Port
DS875F2
DAO_MCLK period
DAO_MCLK duty cycle
DAO_SCLK period for Master or Slave mode
DAO_SCLK duty cycle for Master or Slave mode
DAO_SCLK delay from DAO_MCLK rising edge,
DAO_MCLK as an input
DAO_LRCLK delay from DAO_SCLK transition, respectively
DAO_SCLK delay from DAO_LRCLK transition, respectively
DAO1_DATA[3..0], DAO2_DATA[1..0]
delay from DAO_SCLK transition
DAO1_DATA[3..0], DAO2_DATA[1..0]
delay from DAO_SCLK transition
DAO_LRCLK delay from DAO_SCLK transition, respectively
DAO_SCLK delay from DAO_LRCLK transition, respectively
1. Master mode timing specifications are characterized, not production tested.
2. Master mode is defined as the CS48DVxx driving both DAO_SCLK, DAO_LRCLK. When MCLK is an input, it is divided to produce
3. This timing parameter is defined from the non-active edge of DAO_SCLK. The active edge of DAO_SCLK is the point at which the
4. Slave mode is defined as DAO_SCLK, DAO_LRCLK driven by an external source.
DAOn_DATAn
DAO_SCLK
DAO_SCLK, DAO_LRCLK.
data is valid.
DAO_LRCLK
DAO_MCLK
Master Mode (Output A1 Mode)
Slave Mode (Output A0 Mode)
t
Note: In these diagrams, Falling edge is the inactive edge of DAO_SCLK
daomdv
Parameter
t
daomlclk
3
3
t
daomsck
Copyright 2009 Cirrus Logic
t
1
daomlrts
32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby
1,2
4
1
CONFIDENTIAL
DAOn_DATAn
DAO_SCLK
DAO_LRCLK
DAO_MCLK
3
3
3
3
Symbol
T
t
t
T
t
t
t
t
daomsck
t
daomstlr
daomlrts
daomdv
daosstlr
daoslrts
daomclk
daosdv
daosclk
-
-
Min
t
40
45
40
40
daomstlr
-
-
-
-
-
-
-
t
daomclk
t
daomsck
CS48DV2B Data Sheet
Max
55
60
19
10
15
30
15
8
8
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
19