参数资料
型号: ADSP-BF531SBBCZ4RL
厂商: Analog Devices Inc
文件页数: 34/64页
文件大小: 0K
描述: IC DSP CTLR 16BIT 400MHZ 160-CSP
产品培训模块: Blackfin® Processor Core Architecture Overview
Blackfin® Device Drivers
Blackfin® Optimizations for Performance and Power Consumption
Blackfin® System Services
标准包装: 1
系列: Blackfin®
类型: 定点
接口: SPI,SSP,UART
时钟速率: 400MHz
非易失内存: ROM(1 kB)
芯片上RAM: 52kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.20V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 160-LFBGA,CSPBGA
供应商设备封装: 160-CSPBGA(12x12)
包装: 标准包装
其它名称: ADSP-BF531SBBCZ4RLDKR
ADSP-BF531 / ADSP-BF532 / ADSP-BF533
Serial Port Timing
Table 28 through Table 31 on Page 37 and Figure 23 on Page 35
through Figure 26 on Page 37 describe Serial Port operations.
Table 28. Serial Ports—External Clock
V DDEXT = 1.8 V
V DDEXT = 2.5 V/3.3 V
Parameter
Timing Requirements
Min Max
Min Max Unit
t SFSE
t HFSE
t SDRE
t HDRE
TFSx/RFSx Setup Before TSCLKx/RSCLKx 1
TFSx/RFSx Hold After TSCLKx/RSCLKx 1
Receive Data Setup Before RSCLKx 1
Receive Data Hold After RSCLKx 1
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
ns
ns
ns
ns
t SCLKEW TSCLKx/RSCLKx Width
8.0
4.5
ns
t SCLKE
t SUDTE
TSCLKx/RSCLKx Period
Start-Up Delay From SPORT Enable To First External TFSx 3
20.0
4.0 × t SCLKE
15.0 2
4.0 × t SCLKE
ns
ns
t SUDRE Start-Up Delay From SPORT Enable To First External RFSx 3
4.0 × t SCLKE
4.0 × t SCLKE
ns
Switching Characteristics
t DFSE
TFSx/RFSx Delay After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx) 4
10.0
10.0
ns
t HOFSE TFSx/RFSx Hold After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx) 1
0.0
0.0
ns
t DDTE
t HDTE
Transmit Data Delay After TSCLKx 1
Transmit Data Hold After TSCLKx 1
0.0
10.0
0.0
10.0
ns
ns
1
2
3
4
Referenced to sample edge.
For receive mode with external RSCLKx and external RFSx only, the maximum specification is 11.11 ns (90 MHz).
Verified in design but untested. After being enabled, the serial port requires external clock pulses—before the first external frame sync edge—to initialize the serial port.
Referenced to drive edge.
Table 29. Serial Ports—Internal Clock
V DDEXT = 1.8 V
V DDEXT = 2.5 V/3.3 V
Parameter
Min
Max
Min Max Unit
Timing Requirements
t SFSI
t HFSI
t SDRI
t HDRI
TFSx/RFSx Setup Before TSCLKx/RSCLKx 1
TFSx/RFSx Hold After TSCLKx/RSCLKx 1
Receive Data Setup Before RSCLKx 1
Receive Data Hold After RSCLKx 1
11.0
? 2.0
9.5
0.0
9.0
? 2.0
9.0
0.0
ns
ns
ns
ns
Switching Characteristics
t DFSI
TFSx/RFSx Delay After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx) 2
3.0
3.0
ns
t HOFSI TFSx/RFSx Hold After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx) 1
? 1.0
? 1.0
ns
t DDTI
t HDTI
Transmit Data Delay After TSCLKx 1
Transmit Data Hold After TSCLKx 1
? 2.5
3.0
? 2.0
3.0
ns
ns
t SCLKIW TSCLKx/RSCLKx Width
1
Referenced to sample edge.
2
Referenced to drive edge.
6.0
4.5
ns
Rev. I
|
Page 34 of 64 |
August 2013
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