CS495303-DVZ Cirrus Logic Inc, CS495303-DVZ Datasheet - Page 14

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

Specifications of CS495303-DVZ

• 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
5.10 Switching Characteristics — Serial Control Port - SPI Slave Mode
14
SCP_CLK frequency
SCP_CS# falling to SCP_CLK rising
SCP_CLK low time
SCP_CLK high time
Setup time SCP_MOSI input
Hold time SCP_MOSI input
SCP_CLK low to SCP_MISO output valid
SCP_CLK falling to SCP_IRQ# rising
SCP_CS# rising to SCP_IRQ# falling
SCP_CLK low to SCP_CS# rising
SCP_CS# rising to SCP_MISO output high-Z
SCP_CLK rising to SCP_BSY# falling
SCP_MOSI
SCP_MISO
SCP_BSY#
SCP_IRQ#
SCP_CS#
SCP_CLK
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. At boot the maximum speed
is F
xtal
/3.
Parameter
1
spisck
f
spisck
t
spicss
indicates the maximum speed of the hardware. The system designer should be aware that
A6
t
spidsu
0
Figure 3. Serial Control Port - SPI Slave Mode Timing
A5
1
t
spidh
®Copyright 2008 Cirrus Logic, Inc.
2
t
spickh
t
spickl
Symbol
t
t
t
f
t
t
t
t
spicbsyl
t
spicsdz
t
t
t
spiirqh
spisck
spicss
spickh
spidsu
spidov
spicsh
spiirql
A0
spickl
spidh
6
t
spidov
R/W
7
Min
24
20
20
24
5
5
0
-
-
-
-
-
MSB
MSB
0
3
*
5
DCLKP+20
Typical
20
t
spiirqh
6
LSB
LSB
.
7
t
spibsyl
Max
25
11
20
-
-
-
-
-
-
t
spicsh
DS705PP2
t
spicsdz
Units
t
MHz
spiirql
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns