ADSP-21469KBCZ-3 Analog Devices Inc, ADSP-21469KBCZ-3 Datasheet - Page 45

• 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

Sample Rate Converter—Serial Input Port
The ASRC input signals are routed from the DAI_P20–1 pins
using the SRU. Therefore, the timing specifications provided in
Table 41
Table 41. ASRC, Serial Input Port
1
Parameter
Timing Requirements
t
t
t
t
t
t
The serial clock, data, and frame sync signals can come from any of the DAI pins. The serial clock and frame sync signals can also come via PCG or SPORTs. PCG’s input
SRCSFS
SRCHFS
SRCSD
SRCHD
SRCCLKW
SRCCLK
can be either CLKIN or any of the DAI pins.
1
1
1
1
are valid at the DAI_P20–1 pins.
Frame Sync Setup Before Serial Clock Rising Edge
Frame Sync Hold After Serial Clock Rising Edge
Data Setup Before Serial Clock Rising Edge
Data Hold After Serial Clock Rising Edge
Clock Width
Clock Period
DAI_P20–1
DAI_P20–1
DAI_P20–1
(SDATA)
(SCLK)
(FS)
Figure 30. ASRC Serial Input Port Timing
Rev. 0 | Page 45 of 72 | June 2010
t
SRCCLKW
t
SRCSD
t
SRCSFS
SAMPLE EDGE
t
t
SRCHFS
SRCHD
t
SRCCLK
Min
4
5.5
4
5.5
(t
t
PCLK
PCLK
× 4
× 4) ÷ 2 – 1
Max
ADSP-21469
Unit
ns
ns
ns
ns
ns
ns