參數(shù)資料
型號: ASDP-21365KBC-1AA
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: SHARC Processor
中文描述: 16-BIT, 55.55 MHz, OTHER DSP, PBGA136
封裝: MO-205AE, BGA-136
文件頁數(shù): 32/52頁
文件大?。?/td> 1320K
代理商: ASDP-21365KBC-1AA
Rev. A
|
Page 32 of 52
|
December 2006
ADSP-21362/ADSP-21363/ADSP-21364/ADSP-21365/ADSP-21366
Table 28. Serial Ports—Enable and Three-State
Parameter
Switching Characteristics
t
DDTEN
1
t
DDTTE
1
t
DDTIN
1
Min
Max
Unit
Data Enable from External Transmit SCLK
Data Disable from External Transmit SCLK
Data Enable from Internal Transmit SCLK
2
ns
ns
ns
7
–1
1
Referenced to drive edge.
Table 29. Serial Ports—External Late Frame Sync
Parameter
Switching Characteristics
t
DDTLFSE
1
Min
Max
Unit
Data Delay from Late External Transmit FS or External Receive
FS with MCE = 1, MFD = 0
Data Enable for MCE = 1, MFD = 0
9
ns
ns
t
DDTENFS
1
0.5
1
The t
DDTLFSE
and t
DDTENFS
parameters apply to left-justified sample pair as well as DSP serial mode, and MCE = 1, MFD = 0.
Figure 22. External Late Frame Sync
1
1
This figure reflects changes made to support left-justified sample pair mode.
DRIVE
SAMPLE
DRIVE
DAI_P20
-
1
(SCLK)
DAI_P20
-
1
(FS)
DAI_P20
-
1
(DATA CHANNEL A/B)
DRIVE
SAMPLE
DRIVE
LATE EXTERNALTRANSMIT FS
EXTERNAL RECEIVE FS WITH MCE = 1, MFD = 0
1ST BIT
2ND BIT
DAI_P20
-
1
(SCLK)
DAI_P20
-
1
(FS)
1ST BIT
2ND BIT
t
HFSE/I
t
SFSE/I
t
DDTE/I
t
DDTENFS
t
DDTLFSE
t
HDTE/I
t
SFSE/I
t
DDTE/I
t
DDTENFS
t
DDTLFSE
t
HDTE/I
DAI_P20
-
1
(DATA CHANNEL A/B)
NOTE: SERIAL PORT SIGNALS (SCLK, FS,
DATA CHANNEL A/B
) ARE ROUTED TOTHE DAI_P20-1 PINS
USING THESRU. THE TIMINGSPECIFICATIONS PROVIDED HERE ARE VALID AT THE DAI_P20-1 PINS.
t
HFSE/I
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