adsp-21msp58 Analog Devices, Inc., adsp-21msp58 Datasheet - Page 30

• Manufacturer Part Number: adsp-21msp58
• Description: Dsp Microcomputers
• Manufacturer: Analog Devices, Inc.

ADSP-21msp58/59
Parameter
Serial Ports
Timing Requirement:
t
t
t
t
Switching Characteristic:
t
t
t
t
t
t
t
t
t
t
SCK
SCS
SCH
SCP
CC
SCDE
SCDV
RH
RD
SCDH
TDE
TDV
SCDD
RDV
SCLK Period
DR/TFS/RFS Setup before SCLK Low
DR/TFS/RFS Hold after SCLK Low
SCLK
CLKOUT High to SCLK
SCLK High to DT Enable
SCLK High to DT Valid
TFS/RFS
TFS/RFS
DT Hold after SCLK High
TFS(Alt) to DT Enable
TFS(Alt) to DT Valid
SCLK High to DT Disable
RFS (Multichannel, Frame Delay Zero) to DT Valid
delay 0 (MFD = 0)
multichannel
mode, frame
frame mode
in
Width
alternate
CLKOUT
RFS
TFS
out
out
SCLK
RFS
TFS
TFS
RFS
OUT
OUT
DR
DT
Hold after SCLK High
Delay from SCLK High
IN
IN
t
CC
out
t
RH
t
SCDE
t
t
t
TDE
t
RD
SCDV
t
RDV
TDV
Figure 20. Serial Ports
t
t
CC
SCS
t
–30–
SCH
t
SCDH
t
SCDD
Min
50
4
7
20
0.25t
0
0
0
0
t
SCP
CK
t
SCK
t
SCP
Max
0.25t
15
15
14
15
15
CK
+ 10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
REV. 0