参数资料
型号: ADSP-2185NKSTZ-320
厂商: Analog Devices Inc
文件页数: 21/48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: 80kB
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 28 of 48
|
August 2006
ADSP-218xN
Clock Signals and Reset
Table 15. Clock Signals and Reset
Parameter
Min
Max
Unit
Timing Requirements:
tCKI
CLKIN Period
25
40
ns
tCKIL
CLKIN Width Low
8
ns
tCKIH
CLKIN Width High
8
ns
Switching Characteristics:
tCKL
CLKOUT Width Low
0.5tCK – 3
ns
tCKH
CLKOUT Width High
0.5tCK – 3
ns
tCKOH
CLKIN High to CLKOUT High
0
8
ns
Control Signals Timing Requirements:
tRSP
RESET Width Low
5tCK
1
ns
tMS
Mode Setup before RESET High
7
ns
tMH
Mode Hold after RESET High
5
ns
1 Applies after power-up sequence is complete. Internal phase lock loop requires no more than 2000 CLKIN cycles, assuming stable CLKIN (not including crystal oscillator
start-up time).
Figure 26. Clock Signals and Reset
tCKOH
tCKI
tCKIH
tCKIL
tCKH
tCKL
tMH
tMS
CLKIN
CLKOUT
MODE A D
RESET
tRSP
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