ADSP-2191 AD [Analog Devices], ADSP-2191 Datasheet - Page 35

• Manufacturer Part Number: ADSP-2191
• Description: DSP Microcomputer
• Manufacturer: AD [Analog Devices]

REV. 0
TFS ("LATE," EXT.)
TFS ("LATE," INT.)
RCLK
TCLK
RFS
TFS
DR
DT
DATA TRANSMIT-INTERNAL CLOCK
TCLK (EXT)
DATA RECEIVE-INTERNAL CLOCK
TCLK (INT)
DT
DRIVE
DRIVE
DT
EDGE
EDGE
t
t
HOFSE
t
HOFSE
HDTI
t
DFSE
DRIVE
t
EDGE
DRIVE
NOTE: EITHER THE RISING EDGE OR FALLING EDGE OF RCLK OR TCLK CAN BE USED AS THE ACTIVE SAMPLING EDGE.
t
NOTE: EITHER THE RISING EDGE OR FALLING EDGE OF RCLK OR TCLK CAN BE USED AS THE ACTIVE SAMPLING EDGE.
EDGE
DDTI
DFSE
t
t
DDTEN
DDTIN
t
t
SCLKIW
SCLKIW
t
SFSI
t
t
SDRI
SFSI
SAMPLE
SAMPLE
EDGE
EDGE
t
t
t
HFSI
HDRI
HFSI
Figure 18. Serial Ports
–35–
TCLK / RCLK
TCLK / RCLK
RCLK
TCLK
RFS
TFS
DR
DT
DATA TRANSMIT-EXTERNAL CLOCK
DATA RECEIVE-EXTERNAL CLOCK
DRIVE
DRIVE
EDGE
EDGE
t
t
t
DRIVE
DRIVE
EDGE
EDGE
HOFSE
HOFSE
HDTE
t
t
t
DFSE
DFSE
DDTTI
t
DDTE
t
DDTTE
t
t
SCLKW
SCLKW
t
t
t
SFSE
SDRE
SFSE
ADSP-2191M
SAMPLE
SAMPLE
EDGE
EDGE
t
t
t
HDRE
HFSE
HFSE