ADSP-21469KBCZ-3 Analog Devices Inc, ADSP-21469KBCZ-3 Datasheet - Page 37

• Manufacturer Part Number: ADSP-21469KBCZ-3
• Description: 400MHz SHARC Processor W/5 Mbits Ram
• Manufacturer: Analog Devices Inc
• Series: SHARC®r
• Type: Floating Pointr

Specifications of ADSP-21469KBCZ-3

• Interface: DAI, DPI, EBI/EMI, I²C, SCI, SPI, SSP, UART/USART
• Clock Rate: 400MHz
• Non-volatile Memory: External
• On-chip Ram: 5Mb
• Voltage - I/o: 3.30V
• Voltage - Core: 1.05V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 324-BGA, 324-CSP
• Package: 324CSP-BGA
• Numeric And Arithmetic Format: Floating-Point
• Maximum Speed: 400 MHz
• Ram Size: 640 KB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 33. Link Ports—Transmit
1
Parameter
Timing Requirements
t
t
Switching Characteristics
t
t
t
t
t
For 1:2.5 ratio. For other ratios this specification is 0.5 × t
SLACH
HLACH
DLDCH
HLDCH
LCLKTWL
LCLKTWH
DLACLK
LACK Setup Before LCLK Low
LACK Hold After LCLK Low
Data Delay After LCLK High
Data Hold After LCLK High
LCLK Width Low
LCLK Width High
LCLK Low Delay After LACK High
LACK (IN)
LDAT7–0
LCLK
NOTES
The t
LCLK would extend and the dotted LCLK falling edge would not occur as shown. The position of the
dotted falling edge can be calculated using the t
and t
SLACH
LCLKTWH
OUT
t
t
HLDCH
and t
LCLKTWH
Max for t
t
DLDCH
HLACH
specifications apply only to the LACK falling edge. If these specifications are met,
HLACH
t
LCLKTWL
.
LCLK
– 1.
Rev. 0 | Page 37 of 72 | June 2010
Figure 23. Link Ports—Transmit
TRANSMITTED
LAST BYTE
LCLKTWH
specification. t
TRANSMITTED
LCLKTWH
FIRST BYTE
t
SLACH
Min should be used for t
Min
8.5
0
–1
0.5 × t
0.4 × t
t
LCLK
– 2
1
LCLK
LCLK
t
HLACH
– 0.4
– 0.4
1
t
DLACLK
SLACH
Max
1
0.6 × t
0.5 × t
t
LCLK
+ 8
LCLK
LCLK
+ 0.4
+ 0.4
ADSP-21469
1
Unit
ns
ns
ns
ns
ns
ns
ns