CDB4350 Cirrus Logic Inc, CDB4350 Datasheet - Page 27

• Manufacturer Part Number: CDB4350
• Description: Eval Bd 105dB 192kHz DAC W/PLL
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4350

• Number Of Dac's: 2
• Number Of Bits: 24
• Outputs And Type: 2, Differential
• Sampling Rate (per Second): 192k
• Data Interface: Serial
• Dac Type: Voltage
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS4350
• Description/function: Audio D/A
• Operating Supply Voltage: 12 V
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: CS4350
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant
• Other names: 598-1517

DS691F1
6.3.2
6.4
6.4.1
6.4.2
CDIN
CDOUT
CCLK
CS
INCR
7
0
Memory Address Pointer (MAP)
ADDRESS
MAP = Memory Address Pointer, 8 bits, MSB first
SPI Read
To read from the device, follow the procedure below while adhering to the values specified in
Characteristics - Control Port - SPI Format” on page
1.
2. The address byte on the CDIN pin must then be 10011111 (R/W = 1).
3. CDOUT pin will then output the data from the register pointed to by the MAP, which is set during the
4. If the INCR bit (see
5. If the INCR bit is set to 0 and further SPI reads from other registers are desired, it is necessary to bring
INCR (Auto Map Increment Enable)
Default = ‘0’
0 - Disabled
1 - Enabled
MAP (Memory Address Pointer)
Default = ‘0000’
C H IP
1001111
SPI write operation.
read from multiple consecutive registers. Bring CS high when reading is complete.
CS high, and follow the procedure detailed from step 1. If no further reads from other registers are
desired, bring CS high.
Bring CS low.
Reserved
6
0
High Impedance
R/W
Reserved
M A P
Section
5
0
Figure 20. Control Port Timing, SPI Mode
MSB
b y te 1
6.1) is set to 1, keep CS low and continue providing clocks on CCLK to
Reserved
DATA
4
0
b y te n
LSB
MAP3
A D D R E S S
3
0
15.
C H IP
1001111
MAP2
R/W
2
0
MSB
MAP1
LSB MSB
1
0
CS4350
MAP0
”Switching
0
0
LSB
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