参数资料
型号: ADSP-2188NKSTZ-320
厂商: Analog Devices Inc
文件页数: 30/48页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 100LQFP
标准包装: 1
系列: ADSP-21xx
类型: 定点
接口: 主机接口,串行端口
时钟速率: 80MHz
非易失内存: 外部
芯片上RAM: 256kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.80V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
Rev. A
|
Page 36 of 48
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August 2006
ADSP-218xN
IDMA Write, Long Write Cycle
Table 23. IDMA Write, Long Write Cycle
Parameter
Min
Max
Unit
Timing Requirements:
tIKW
IACK Low Before Start of Write1
0ns
tIKSU
IAD15 – 0 Data Setup Before End of Write2, 3, 4
0.5tCK + 5
ns
tIKH
IAD15–0 Data Hold After End of Write2, 3, 4
0ns
Switching Characteristics:
tIKLW
Start of Write to IACK Low
1.5tCK
ns
tIKHW
Start of Write to IACK High
10
ns
1 Start of Write = IS Low and IWR Low.
2 If Write Pulse ends before IACK Low, use specifications tIDSU, tIDH.
3 If Write Pulse ends after IACK Low, use specifications tIKSU, tIKH.
4 This is the earliest time for IACK Low from Start of Write. For IDMA Write cycle relationships, please refer to the ADSP-2100 Family User’s Manual.
Figure 34. IDMA Write, Long Write Cycle
IAD15–0
DATA
tIKHW
t
IK W
IACK
IS
IWR
tIKLW
tIKH
t
IK SU
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