CS495303-CVZ Cirrus Logic Inc, CS495303-CVZ Datasheet - Page 16

• Manufacturer Part Number: CS495303-CVZ
• Description: IC, AUDIO DECODER DSP, LQFP-128
• Manufacturer: Cirrus Logic Inc

Specifications of CS495303-CVZ

• Audio Control Type: Decoder
• Control Interface: I2C, Parallel, SPI, UART
• Control / Process Application: DVD AV Player, Audio Decoder, Audio Post-Processor, Audio Encoder
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CS4953xx Data Sheet
32-bit Audio Decoder DSP Family
5.12 Switching Characteristics — Serial Control Port - I
16
SCP_CLK frequency
SCP_CLK low time
SCP_CLK high time
SCP_SCK rising to SCP_SDA rising or falling for START or
STOP condition
START condition to SCP_CLK falling
SCP_CLK falling to STOP condition
Bus free time between STOP and START conditions
Setup time SCP_SDA input valid to SCP_CLK rising
Hold time SCP_SDA input after SCP_CLK falling
SCP_CLK low to SCP_SDA out valid
SCP_CLK falling to SCP_IRQ# rising
NAK condition to SCP_IRQ# low
SCP_CLK rising to SCB_BSY# low
SCP_BSY#
SCP_IRQ#
SCP_CLK
SCP_SDA
1. The specification f
the actual maximum speed of the communication port may be limited by the firmware application. Flow control
using the SCP_BSY# pin should be implemented to prevent overflow of the input data buffer.
t
iicstscl
t
iicckcmd
1
Parameter
iicck
t
iicsu
indicates the maximum speed of the hardware. The system designer should be aware that
A6
0
t
iich
Figure 5. Serial Control Port - I
1
t
iicckh
t
iicckl
A0
®Copyright 2008 Cirrus Logic, Inc.
6
t
iicr
R/W
7
t
iicdov
ACK
Symbol
t
8
iicckcmd
t
t
t
t
t
iicstscl
t
t
t
f
t
t
iicirqh
iicbsyl
iicckh
iicdov
iicstp
iicirql
iicckl
t
iicck
iicbft
iicsu
t
iich
iicf
2
MSB
C Slave Mode Timing
0
Min
1.25
1.25
1.25
1.25
100
2.5
20
3
-
-
-
-
1
2
f
iicck
C Slave Mode
3
3
t
*
*
iicirqh
DCLKP + 20
DCLKP + 20
Typical
6
LSB
7
t
iiccbsyl
3
ACK
*
DCLKP + 40
8
Max
400
18
t
t
-
-
-
-
-
-
iicirql
iicstp
t
iicckcmd
DS705PP2
Units
t
kHz
iicbft
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns