ADSP-BF522BBCZ-3A View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'ADSP-BF522BBCZ-3A' PDF : 88 Pages View PDF
ADSP-BF522/ADSP-BF523/ADSP-BF524/ADSP-BF525/ADSP-BF526/ADSP-BF527
Parallel Peripheral Interface Timing
Table 41 and Figure 20 on Page 51, Figure 24 on Page 55, and
Figure 27 on Page 57 describe parallel peripheral interface
operations.
Table 41. Parallel Peripheral Interface Timing for ADSP-BF522/ADSP-BF524/ADSP-BF526 Processors
Parameter
Timing Requirements
tPCLKW
PPI_CLK Width1
tPCLK
PPI_CLK Period1
Timing Requirements - GP Input and Frame Capture Modes
tSFSPE
External Frame Sync Setup Before PPI_CLK
(Nonsampling Edge for Rx, Sampling Edge for Tx)
tHFSPE
External Frame Sync Hold After PPI_CLK
tSDRPE
Receive Data Setup Before PPI_CLK
tHDRPE
Receive Data Hold After PPI_CLK
Switching Characteristics - GP Output and Frame Capture Modes
tDFSPE
tHOFSPE
tDDTPE
tHDTPE
Internal Frame Sync Delay After PPI_CLK
Internal Frame Sync Hold After PPI_CLK
Transmit Data Delay After PPI_CLK
Transmit Data Hold After PPI_CLK
1 PPI_CLK frequency cannot exceed fSCLK/2.
VDDEXT
1.8V Nominal
Min
Max
VDDEXT
2.5 V or 3.3 V Nominal
Min
Max
Unit
6.4
6.4
ns
25.0
20.0
ns
6.7
6.7
ns
1.2
1.2
ns
4.1
3.5
ns
2.0
1.6
ns
8.0
8.0
ns
1.7
1.7
ns
8.2
8.0
ns
2.3
1.9
ns
Table 42. Parallel Peripheral Interface Timing for ADSP-BF523/ADSP-BF525/ADSP-BF527 Processors
Parameter
Timing Requirements
tPCLKW
tPCLK
PPI_CLK Width1
PPI_CLK Period1
Timing Requirements - GP Input and Frame Capture Modes
tSFSPE
External Frame Sync Setup Before PPI_CLK
(Nonsampling Edge for Rx, Sampling Edge for Tx)
tHFSPE
External Frame Sync Hold After PPI_CLK
tSDRPE
Receive Data Setup Before PPI_CLK
tHDRPE
Receive Data Hold After PPI_CLK
Switching Characteristics - GP Output and Frame Capture Modes
tDFSPE
tHOFSPE
tDDTPE
tHDTPE
Internal Frame Sync Delay After PPI_CLK
Internal Frame Sync Hold After PPI_CLK
Transmit Data Delay After PPI_CLK
Transmit Data Hold After PPI_CLK
1 PPI_CLK frequency cannot exceed fSCLK/2.
VDDEXT
1.8V Nominal
Min
Max
6.0
20.0
6.7
1.0
3.5
2.0
8.0
1.7
8.0
2.3
VDDEXT
2.5 V or 3.3V Nominal
Min
Max
Unit
6.0
ns
15.0
ns
6.7
ns
1.0
ns
3.5
ns
1.6
ns
8.0
ns
1.7
ns
8.0
ns
1.9
ns
Rev. D | Page 50 of 88 | July 2013
Share Link: 
