adsp-21478 Analog Devices, Inc., adsp-21478 Datasheet - Page 38

• Manufacturer Part Number: adsp-21478
• Description: Sharc Processor
• Manufacturer: Analog Devices, Inc.

ADSP-21478/ADSP-21479
(FRAME SYNC)
CHANNEL A/B)
(FRAME SYNC)
CHANNEL A/B)
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
(SCLK)
(SCLK)
(DATA
(DATA
t
HOFSIR
t
DRIVE EDGE
DRIVE EDGE
NOTES
1. EITHER THE RISING EDGE OR THE FALLING EDGE OF SCLK (EXTERNAL OR INTERNAL) CAN BE USED AS THE ACTIVE SAMPLING EDGE.
HOFSI
NOTES
1. EITHER THE RISING EDGE OR THE FALLING EDGE OF SCLK (EXTERNAL OR INTERNAL) CAN BE USED AS THE ACTIVE SAMPLING EDGE.
t
HDTI
DATA TRANSMIT—INTERNAL CLOCK
t
DATA RECEIVE—INTERNAL CLOCK
t
DFSIR
DFSI
t
t
SCLKIW
SCLKIW
t
DDTI
t
t
t
SDRI
SFSI
SFSI
SAMPLE EDGE
SAMPLE EDGE
Rev. PrB | Page 38 of 70 | March 2010
t
t
t
HFSI
HDRI
HFSI
Figure 23. Serial Ports
(FRAME SYNC)
CHANNEL A/B)
(FRAME SYNC)
CHANNEL A/B)
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
(SCLK)
(SCLK)
(DATA
(DATA
Preliminary Technical Data
t
t
HOFSE
HOFSE
DRIVE EDGE
DRIVE EDGE
t
HDTE
DATA TRANSMIT—EXTERNAL CLOCK
DATA RECEIVE—EXTERNAL CLOCK
t
t
DFSE
DFSE
t
t
SCLKW
SCLKW
t
DDTE
t
t
t
SDRE
SFSE
SFSE
SAMPLE EDGE
SAMPLE EDGE
t
t
t
HFSE
HDRE
HFSE