参数资料
型号: ADSP-BF547BBCZ-5A
厂商: ANALOG DEVICES INC
元件分类: 数字信号处理
英文描述: 533 MHz Blackfin Embedded Processor: ADSP-BF547BBCZ-5A Temp Range: –40°C to +85°C Package: 400-Ball CSP_BGA BC-400-1
中文描述: 16-BIT, 50 MHz, OTHER DSP, PBGA400
封装: 17 X 17 MM, ROHS COMPLIANT, CSBGA-400
文件页数: 58/100页
文件大小: 3095K
代理商: ADSP-BF547BBCZ-5A
Rev. D
|
Page 60 of 100
|
May 2011
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
Serial Ports Timing
through Figure 37 on Page 62 describe serial port operations.
Table 40. Serial Ports—External Clock
Parameter
Min
Max
Unit
Timing Requirements
tSFSE
TFSx/RFSx Setup Before TSCLKx/RSCLKx (Externally Generated TFSx/RFSx)
1
3.0
ns
tHFSE
TFSx/RFSx Hold After TSCLKx/RSCLKx (Externally Generated TFSx/RFSx)1
3.0
ns
tSDRE
Receive Data Setup Before RSCLKx
3.0
ns
tHDRE
Receive Data Hold After RSCLKx
3.0
ns
tSCLKEW
TSCLKx/RSCLKx Width
4.5
ns
tSCLKE
TSCLKx/RSCLKx Period
15.0
ns
tRCLKE
RSCLKx Period
2
11.1
ns
tSUDTE
Start-Up Delay From SPORT Enable To First External TFSx
4 × tSCLKE
ns
tSUDRE
Start-Up Delay From SPORT Enable To First External RFSx
4 × tRCLKE
ns
Switching Characteristics
tDFSE
TFSx/RFSx Delay After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx)3
10.0
ns
tHOFSE
TFSx/RFSx Hold After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx)
3
0.0
ns
tDDTE
Transmit Data Delay After TSCLKx
3
10.0
ns
tHDTE
Transmit Data Hold After TSCLKx3
0.0
ns
1 Referenced to sample edge.
2 For serial port receive with external clock and external frame sync only.
3 Referenced to drive edge.
Table 41. Serial Ports—Internal Clock
Parameter
Min
Max
Unit
Timing Requirements
tSFSI
TFSx/RFSx Setup Before TSCLKx/RSCLKx (Externally Generated TFSx/RFSx)
1
10.0
ns
tHFSI
TFSx/RFSx Hold After TSCLKx/RSCLKx (Externally Generated TFSx/RFSx)1
–1.5
ns
tSDRI
Receive Data Setup Before RSCLKx1
10.0
ns
tHDRI
Receive Data Hold After RSCLKx
–1.5
ns
Switching Characteristics
tDFSI
TFSx/RFSx Delay After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx)2
3.0
ns
tHOFSI
TFSx/RFSx Hold After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx)
–1.0
ns
tDDTI
Transmit Data Delay After TSCLKx2
3.0
ns
tHDTI
Transmit Data Hold After TSCLKx2
–2.0
ns
tSCLKIW
TSCLKx/RSCLKx Width
4.5
ns
1 Referenced to sample edge.
2 Referenced to drive edge.
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