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ADSP-2115BPZ-100 View Datasheet(PDF) - Analog Devices

Part Name
Description
MFG CO.
ADSP-2115BPZ-100
ADI
Analog Devices ADI
'ADSP-2115BPZ-100' PDF : 64 Pages View PDF
ADSP-21xx
TIMING PARAMETERS (ADSP-2101/2105/2111/2115/2161/2163)
SERIAL PORTS
Parameter
12.5 MHz 13.0 MHz
Min Max Min Max
13.824 MHz*
Min Max
Frequency
Dependency
Min Max
Unit
Timing Requirement:
tSCK SCLK Period
80
tSCS DR/TFS/RFS Setup before SCLK Low 8
tSCH DR/TFS/RFS Hold after SCLK Low 10
tSCP SCLKIN Width
30
Switching Characteristic:
tCC CLKOUT High to SCLKOUT
20 35
tSCDE SCLK High to DT Enable
0
tSCDV SCLK High to DT Valid
20
tRH TFS/RFSOUT Hold after SCLK High 0
tRD TFS/RFSOUT Delay from SCLK High
20
tSCDH DT Hold after SCLK High
0
tTDE TFS (Alt) to DT Enable
0
tTDV TFS (Alt) to DT Valid
18
tSCDD SCLK High to DT Disable
25
tRDV RFS (Multichannel, Frame Delay Zero)
20
to DT Valid
76.9
8
10
28
19.2 34.2
0
20
0
20
0
0
18
25
20
72.3
8
10
28
18.1 33.1
0
20
0
20
0
0
18
25
20
ns
ns
ns
ns
0.25tCK
0.25tCK + 15ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
*Maximum serial port operating frequency is 13.824 MHz for all processor speed grades except the 12.5 MHz ADSP-2101 and 13.0 MHz ADSP-2111.
CLKOUT
SCLK
DR
RFSIN
TFSIN
RFSOUT
TFSOUT
DT
TFS
( ALTERNATE
FRAME MODE )
RFS
( MULTICHANNEL MODE,
FRAME DELAY 0 {MFD = 0} )
tCC
tRD
tRH
tSCDV
tSCDE
tTDE
tTDV
tCC
tSCS tSCH
tSCP
tSCK
tSCP
tSCDH
tSCDD
tRDV
Figure 34. Serial Ports
REV. B
–35–
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