ADZS-21262-1-EZEXT Analog Devices Inc, ADZS-21262-1-EZEXT Datasheet - Page 33

• Manufacturer Part Number: ADZS-21262-1-EZEXT
• Description: BOARD DAUGHTER FOR ADSP-21262
• Manufacturer: Analog Devices Inc

Specifications of ADZS-21262-1-EZEXT

• Accessory Type: DSP
• Silicon Manufacturer: Analog Devices
• Core Architecture: SHARC
• Features: Expansion Interface, High Speed Converter (HSC) Interface
• Kit Contents: Board Docs
• Silicon Family Name: SHARC
• Silicon Core Number: ADSP-21262
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: ADSP-21262
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Parallel Data Acquisition Port (PDAP)
The timing requirements for the PDAP are provided in
Table
the IDP. For details on the operation of the IDP, refer to the
ADSP-2136x SHARC Processor Hardware Reference, the chapter
“Input Data Port.”
Table 29. Parallel Data Acquisition Port (PDAP)
1
Parameter
Timing Requirements
t
t
t
t
t
t
Switching Characteristics
t
t
Data source pins are AD15–0 and DAI_P4–1, or DAI pins. Source pins for serial clock and frame sync are DAI pins.
SPCLKEN
HPCLKEN
PDSD
PDHD
PDCLKW
PDCLK
PDHLDD
PDSTRB
1
1
29. PDAP is the parallel mode operation of Channel 0 of
1
1
PDAP_CLKEN Setup Before PDAP_CLK Sample Edge
PDAP_CLKEN Hold After PDAP_CLK Sample Edge
PDAP_DAT Setup Before SCLK PDAP_CLK Sample Edge
PDAP_DAT Hold After SCLK PDAP_CLK Sample Edge
Clock Width
Clock Period
Delay of PDAP Strobe After Last PDAP_CLK Capture Edge for a Word
PDAP Strobe Pulse Width
(PDAP_STROBE)
(PDAP_CLKEN)
(PDAP_CLK)
ADSP-21362/ADSP-21363/ADSP-21364/ADSP-21365/ADSP-21366
DAI_P20–1
DAI_P20–1
DAI_P20–1
DATA
Rev. G | Page 33 of 56 | March 2011
SAMPLE EDGE
t
Figure 25. PDAP Timing
PDCLKW
t
SPCLKEN
t
PDSD
t
PDHLDD
Note that the most significant 16 bits of external 20-bit PDAP
data can be provided through either the parallel port AD15–0 or
the DAI_P20–5 pins. The remaining 4 bits can only be sourced
through DAI_P4–1. The timing below is valid at the
DAI_P20–1 pins or at the AD15–0 pins.
t
t
t
HPCLKEN
PDHD
PDCLK
t
PDSTRB
Min
2.5
2.5
3.0
2.5
(t
t
2 × t
2 × t
PCLK
PCLK
PCLK
PCLK
× 4
× 4) ÷ 2 – 3
– 1
– 1.5
Unit
ns
ns
ns
ns
ns
ns
ns
ns