参数资料
型号: ADSP-21061KSZ-133
厂商: Analog Devices Inc
文件页数: 14/52页
文件大小: 0K
描述: IC DSP CONTROLLER 32BIT 240MQFP
产品培训模块: SHARC Processor Overview
标准包装: 1
系列: SHARC®
类型: 浮点
接口: 同步串行端口(SSP)
时钟速率: 33MHz
非易失内存: 外部
芯片上RAM: 128kB
电压 - 输入/输出: 5.00V
电压 - 核心: 5.00V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 240-BFQFP 裸露焊盘
供应商设备封装: 240-MQFP-EP(32x32)
包装: 托盘
Rev. D | Page 21 of 52 | May 2013
Clock Input
Reset
Table 7. Clock Input
Parameter
ADSP-21061
50 MHz, 5 V
ADSP-21061L
44 MHz, 3.3 V
ADSP-21061/
ADSP-21061L
40 MHz,
5 V and 3.3 V
ADSP-21061
33 MHz, 5 V
Unit
Min
Max
Min
Max
Min
Max
Min
Max
Timing Requirements
tCK
CLKIN Period
20
100
22.5
100
25
100
30
100
ns
tCKL
CLKIN Width Low
7777ns
tCKH
CLKIN Width High
5555ns
tCKRF
CLKIN Rise/Fall (0.4 V to 2.0 V)
3
ns
Figure 9. Clock Input
CLKIN
tCKH
tCKL
tCK
Table 8. Reset
5 V and 3.3 V
Unit
Parameter
Min
Max
Timing Requirements
tWRST
RESET Pulse Width Low1
4tCK
ns
tSRST
RESET Setup Before CLKIN High2
14 + DT/2
tCK
ns
1 Applies after the power-up sequence is complete. At power-up, the processor’s internal phase-locked loop requires no more than 100 μs while RESET is low, assuming stable
VDD and CLKIN (not including startup time of external clock oscillator).
2 Only required if multiple ADSP-21061s must come out of reset synchronous to CLKIN with program counters (PC) equal. Not required for multiple ADSP-21061s commu-
nicating over the shared bus (through the external port), because the bus arbitration logic automatically synchronizes itself after reset.
Figure 10. Reset
CLKIN
RESET
tWRST
tSRST
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