参数资料
型号: ADSP-BF531SBBZ400
厂商: Analog Devices Inc
文件页数: 30/64页
文件大小: 0K
描述: IC DSP CTLR 16BIT 400MHZ 169BGA
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: 169-BBGA
供应商设备封装: 169-PBGA(19x19)
包装: 托盘
配用: ADZS-BF533-EZLITE-ND - KIT W/BOARD EVAL FOR ADSP-BF533
ADSP-BF531 / ADSP-BF532 / ADSP-BF533
SDRAM Interface Timing
Table 25. SDRAM Interface Timing 1
V DDEXT = 1.8 V
V DDEXT = 2.5 V/3.3 V
Parameter
Timing Requirements
Min Max
Min Max Unit
t SSDAT
t HSDAT
DATA Setup Before CLKOUT
DATA Hold After CLKOUT
2.1
0.8
1.5
0.8
ns
ns
Switching Characteristics
t DCAD
t HCAD
t DSDAT
t ENSDAT
t SCLK
t SCLKH
t SCLKL
Command, ADDR, Data Delay After CLKOUT 2
Command, ADDR, Data Hold After CLKOUT 2
Data Disable After CLKOUT
Data Enable After CLKOUT
CLKOUT Period 3
CLKOUT Width High
CLKOUT Width Low
1.0
1.0
10.0
2.5
2.5
6.0
6.0
1.0
1.0
7.5
2.5
2.5
4.0
4.0
ns
ns
ns
ns
ns
ns
ns
1
2
3
SDRAM timing for T J > 1 05°C is limited to 100 MHz.
Command pins include: SRAS, SCAS, SWE, SDQM, SMS, SA10, SCKE.
Refer to Table 13 on Page 21 for maximum f SCLK at various V DDINT .
CLKOUT
t SCLK
t SSDAT
t HSDAT
t SCLKL
t SCLKH
DATA (IN)
t ENSDAT
t DCAD
t HCAD
t DSDAT
DATA (OUT)
t DCAD
t HCAD
COMMAND,
ADDRESS
(OUT)
NOTE: COMMAND = SRAS , SCAS , SWE , SDQM, SMS , SA10, SCKE.
Figure 15. SDRAM Interface Timing
Rev. I
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Page 30 of 64 |
August 2013
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