CS47048C-CQZ Cirrus Logic Inc, CS47048C-CQZ Datasheet - Page 20

• Manufacturer Part Number: CS47048C-CQZ
• Description: IC 4CH ADC 8ch DAC & 32bit DSP
• Manufacturer: Cirrus Logic Inc
• Type: Fixed Pointr

Specifications of CS47048C-CQZ

• Interface: I²C, SPI
• Clock Rate: 150MHz
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.80V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP Exposed Pad, 100-eLQFP, 100-HLQFP
• Operating Temperature Range: 0°C To +70°C
• No. Of Pins: 100
• Frequency: 147MHz
• Embedded Interface Type: I2C, SPI
• Core Supply Voltage: 1.89V
• No. Of Mips: 150
• Digital Ic Case Style: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1539 - BOARD EVAL 4CH ADC/8CH DAC DSP598-1536 - BOARD EVAL 4CH ADC/8CH DAC DSP
• Non-volatile Memory: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 598-1657; CS47048B-CQZ

CS470xx Data Sheet
Audio SOC Processor Family
5.9 Digital Switching Characteristics — Serial Control Port - SPI Slave Mode
20
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
1. f
SCP_MOSI
SCP_MISO
SCP_BSY
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
SCP_IRQ
SCP_CLK
spisck
xtal
SCP_CS
/3.
indicates the maximum speed of the hardware. The system designer should be aware that the actual
Parameter
1
1/
f
spisck
t
spicss
Figure 7.
A6
t
spidsu
0
A5
t
1
spidh
Serial Control Port - SPI Slave Mode Timing
2
t
Copyright 2011 Cirrus Logic
spickh
t
spickl
A0
Symbol
t
6
t
t
t
t
t
t
spicbsyl
f
t
spicsdz
t
t
t
spidsu
spidov
spiirqh
spisck
spicss
spickh
spicsh
spiirql
spickl
spidh
t
spidov
R/W
7
MSB
MSB
0
Min
24
20
20
24
5
5
0
-
-
-
-
-
5
3
t
spiirqh
*
DCLKP+20
Typical
6
20
LSB
LSB
7
t
spibsyl
t
spicsh
t
spiirql
Max
t
25
27
spicsdz
11
-
-
-
-
-
-
DS787PP5
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns