ADSP-21060 Analog Devices, ADSP-21060 Datasheet - Page 32

• Manufacturer Part Number: ADSP-21060
• Description: ADSP-2106x SHARC DSP Microcomputer Family
• Manufacturer: Analog Devices

Link Ports: 1 × CLK Speed Operation
Parameter
Receive
Timing Requirements:
t
t
t
t
t
Switching Characteristics:
t
t
t
t
Transmit
Timing Requirements:
t
t
Switching Characteristics:
t
t
t
t
t
t
t
t
Link Port Service Request Interrupts: 1 × and
2 × Speed Operations
Timing Requirements:
t
t
NOTES
1
2
ADSP-21060/ADSP-21060L
SLDCL
HLDCL
LCLKIW
LCLKRWL
LCLKRWH
DLAHC
DLALC
ENDLK
TDLK
SLACH
HLACH
DLCLK
DLDCH
HLDCH
LCLKTWL
LCLKTWH
DLACLK
ENDLK
TDLK
SLCK
HLCK
LACK will go low with t
Only required for interrupt recognition in the current cycle.
Data Setup before LCLK Low
Data Hold after LCLK Low
LCLK Period (1 × Operation)
LCLK Width Low
LCLK Width High
LACK High Delay after CLKIN High
LACK Low Delay after LCLK High
LACK Enable from CLKIN
LACK Disable from CLKIN
LACK Setup before LCLK High
LACK Hold after LCLK High
LCLK Delay after CLKIN (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 CLKIN
LDAT, LCLK Disable after CLKIN
LACK/LCLK Setup before CLKIN Low
LACK/LCLK Hold after CLKIN Low
DLALC
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.
1
2
2
Min
5 + DT/2
5 + DT/2
3.5
3
t
6
5
18 + DT/2
–3
18
–7
–3
(t
(t
(t
10
2
CK
CK
CK
CK
/2) – 2
/2) – 2
/2) + 8.5
ADSP-21060
Max
28.5 + DT/2
13
20 + DT/2
15.5
3
(t
(t
(3 × t
20 + DT/2
CK
CK
/2) + 2
/2) + 2
CK
/2) + 17 (t
Min
3
3
t
6
5
18 + DT/2
–3
5 + DT/2
20
–7
–3
(t
(t
5 + DT/2
10
2
CK
CK
CK
CK
/2) – 1
/2) – 1.25
/2) + 8.0
ADSP-21060L
Max
28.5 + DT/2
13
20 + DT/2
16.5
2.5
(t
(t
(3 × t
20 + DT/2
CK
CK
/2) + 1.25
/2) + 1.0
CK
/2) + 17.5 ns
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns