參數(shù)資料
型號: ADSP-21060LC
廠商: Analog Devices, Inc.
英文描述: DSP Microcomputer(DSP 微計(jì)算機(jī))
中文描述: 微機(jī)的DSP(數(shù)字信號處理器微計(jì)算機(jī))
文件頁數(shù): 32/48頁
文件大?。?/td> 515K
代理商: ADSP-21060LC
–32–
ADSP-21060C/ADSP-21060LC
REV. PrA
PRELIMINARY
TECHNICAL
LACK /LCLK Setup before CLK IN Low
2
10
LACK /LCLK Hold after CLK IN Low
2
2
Link Ports: 1
3
CLK Speed Operation
ADSP-21060C
Min
ADSP-21060LC
Min
Parameter
Max
Max
Units
Receive
Timing Requirements:
t
SLDCL
t
HLDCL
t
LCLK IW
t
LCLK RWL
t
LCLK RWH
Data Setup before LCLK Low
Data Hold after LCLK Low
LCLK Period (1
×
Operation)
LCLK Width Low
LCLK Width High
3.5
3
t
CK
6
5
3
3
t
CK
6
5
ns
ns
ns
ns
ns
Switching Characteristics:
t
DLAHC
t
DLALC
t
ENDLK
t
T DLK
LACK High Delay after CLK IN High
LACK Low Delay after LCLK High
1
LACK Enable from CLK IN
LACK Disable from CLK IN
18 + DT /2
–3
5 + DT /2
28.5 + DT /2
13
18 + DT /2
–3
5 + DT /2
28.5 + DT /2
13
ns
ns
ns
ns
20 + DT /2
20 + DT /2
T ransmit
Timing Requirements:
t
SLACH
t
HLACH
LACK Setup before LCLK High
LACK Hold after LCLK High
18
–7
20
–7
ns
ns
Switching Characteristics:
t
DLCLK
t
DLDCH
t
HLDCH
t
LCLK T WL
t
LCLK T WH
t
DLACLK
t
ENDLK
t
T DLK
LCLK Delay after CLK IN (1
×
operation)
Data Delay after LCLK High
Data Hold after LCLK High
LCLK Width Low
LCLK Width High
LCLK Low Delay after LACK High
LDAT , LCLK Enable after CLK IN
LDAT , LCLK Disable after CLK IN
3
16.5
2.5
ns
ns
ns
ns
ns
ns
ns
ns
–3
(t
CK
/2) – 2
(t
CK
/2) – 2
(t
CK
/2) + 8.5
5 + DT /2
–3
(t
CK
/2) – 1
(t
CK
/2) – 1.25
(t
CK
/2) + 8.0
5 + DT /2
(t
CK
/2) + 2
(t
CK
/2) + 2
(3
×
t
CK
/2) + 17
(t
CK
/2) + 1.25
(t
CK
/2) + 1.0
(3
×
t
CK
/2) + 17.5
20 + DT /2
20 + DT /2
Link Port Service Request Interrupts: 1
×
and
2
×
Speed Operations
Timing Requirements:
t
SLCK
t
HLCK
10
2
ns
ns
NOT ES
1
LACK will go low with t
relative to rising edge of LCLK after first nibble is received. LACK will not go low if the receiver’s link buffer is not about to fill.
2
Only required for interrupt recognition in the current cycle.
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