参数资料
型号: ADSP-BF518BSWZ-4F4
厂商: Analog Devices Inc
文件页数: 29/68页
文件大小: 0K
描述: IC DSP 16/32B 400MHZ LP 176LQFP
标准包装: 1
系列: Blackfin®
类型: 定点
接口: 以太网,I²C,PPI,RSI,SPI,SPORT,UART/USART
时钟速率: 400MHz
非易失内存: 闪存(4Mb)
芯片上RAM: 116kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.30V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 176-LQFP 裸露焊盘
供应商设备封装: 176-LQFP-EP(24x24)
包装: 托盘
ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F
Rev. B
|
Page 35 of 68
|
January 2011
RSI Controller Timing
Table 31 and Figure 19 describe RSI controller timing. Table 32
and Figure 20 describe RSI controller (high speed) timing.
Table 31. RSI Controller Timing
Parameter
Min
Max
Unit
Timing Requirements
tISU
Input Setup Time
5.6
ns
tIH
Input Hold Time
2
ns
Switching Characteristics
fPP
1
Clock Frequency Data Transfer Mode
0
25
MHz
fOD
Clock Frequency Identification Mode
1002
400
kHz
tWL
Clock Low Time
10
ns
tWH
Clock High Time
10
ns
tTLH
Clock Rise Time
10
ns
tTHL
Clock Fall Time
10
ns
tODLY
Output Delay Time During Data Transfer Mode
14
ns
tODLY
Output Delay Time During Identification Mode
50
ns
1 tPP = 1/fPP
2 Specification can be 0 kHz, which means to stop the clock. The given minimum frequency range is for cases where a continuous clock is required.
Figure 19. RSI Controller Timing
SD_CLK
INPUT
OUTPUT
tISU
NOTES:
1 INPUT INCLUDES SD_Dx AND SD_CMD SIGNALS.
2 OUTPUT INCLUDES SD_Dx AND SD_CMD SIGNALS.
tTHL
tTLH
tWL
tWH
tPP
tIH
tODLY
VOH (MIN)
VOL (MAX)
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