参数资料
型号: ADSP-2185BSTZ-133
厂商: Analog Devices Inc
文件页数: 10/32页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 100TQFP
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: 33.3MHz
非易失内存: 外部
芯片上RAM: 80kB
电压 - 输入/输出: 5.00V
电压 - 核心: 5.00V
工作温度: -40°C ~ 85°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
ADSP-2185
REV. 0
–18–
Parameter
Min
Max
Unit
Interrupts and Flag
Timing Requirements:
tIFS
IRQx, FI, or PFx Setup before CLKOUT Low
1, 2, 3, 4
0.25 tCK + 15
ns
tIFH
IRQx, FI, or PFx Hold after CLKOUT High
1, 2, 3, 4
0.25 tCK
ns
Switching Characteristics:
tFOH
Flag Output Hold after CLKOUT Low
5
0.5 tCK – 7
ns
tFOD
Flag Output Delay from CLKOUT Low
5
0.25 tCK + 5
ns
NOTES
1If IRQx and FI inputs meet t
IFS and tIFH setup/hold requirements, they will be recognized during the current clock cycle; otherwise the signals will be recognized on
the following cycle. (Refer to “Interrupt Controller Operation” in the Program Control chapter of the ADSP-2100 Family User’s Manual for further information on
interrupt servicing.)
2Edge-sensitive interrupts require pulse widths greater than 10 ns; level-sensitive interrupts must be held low until serviced.
3IRQx = IRQ0, IRQ1, IRQ2, IRQL0, IRQL1, IRQE.
4PFx = PF0, PF1, PF2, PF3, PF4, PF5, PF6, PF7.
5Flag outputs = PFx, FL0, FL1, FL2, Flag_out4.
tFOD
tFOH
tIFH
tIFS
CLKOUT
FLAG
OUTPUTS
IRQx
FI
PFx
Figure 15. Interrupts and Flags
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