CDB42528 Cirrus Logic Inc, CDB42528 Datasheet - Page 53

• Manufacturer Part Number: CDB42528
• Description: BOARD EVAL FOR CS42528/CS49300
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42528

• Main Purpose: Audio, Audio Processing
• Embedded: Yes, DSP
• Utilized Ic / Part: CS49300, CS42528
• Primary Attributes: 8 Single-Ended Analog Inputs and Outputs, 4 S/PDIF Inputs and 2 S/PDIF Outputs
• Secondary Attributes: Parallel, RS422, RS232, UDSP Interfaces
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1503

DS339F7
EMAD7:0
EXTMEM
EMAD7:0
EXTMEM
EMWR
EMWR
EMOE
EMOE
CS493XX
Figure 31. External Memory Read (16-bit address)
EMAD[7:0]
Figure 32. External Memory Write (16-bit address)
E X T M E M
E M W R
E M O E
Figure 30. External Memory Interface
3.3V
8
3.3V
3.3V
R1
R2
3.3V
R3
R4
MA 23:16
MA 23:16
D
8 BIT
'574
D F F
Only one of R1 and R2 shou ld be stuffed.
Only one of R3 and R4 shou ld be stuffed.
The state of EMOE and EMWR at the
rising edge of RESET will determine the
serial mode that the part comes up in
while using exter nal memory. Please see
section 2, Serial Communication for
more details.
Q
D
ADDR[7:0]
8 BIT
'574
D F F
Q
MA15:8
MA15:8
ADDR[14:8]
O E
C S
W E ( R A M O n l y )
ADDR[7:0]
ADDR[14:8]
CS49300 Family DSP
32K X 8
MA7:0
R O M / R A M
MA7:0
D A T A[7:0]
Data7:0
Data7:0
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