参数资料
型号: ADSP-BF561SKBCZ-6V
厂商: Analog Devices Inc
文件页数: 23/64页
文件大小: 0K
描述: IC DSP 32BIT 600MHZ 256CSPBGA
产品培训模块: Blackfin® Processor Core Architecture Overview
Blackfin® Device Drivers
Blackfin® Optimizations for Performance and Power Consumption
Blackfin® System Services
标准包装: 1
系列: Blackfin®
类型: 定点
接口: SPI,SSP,UART
时钟速率: 600MHz
非易失内存: 外部
芯片上RAM: 328kB
电压 - 输入/输出: 2.50V,3.30V
电压 - 核心: 1.35V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 256-LFBGA,CSPBGA
供应商设备封装: 256-CSPBGA(12x12)
包装: 托盘
配用: ADZS-BFAUDIO-EZEXT-ND - BOARD EVAL AUDIO BLACKFIN
ADZS-BF561-EZLITE-ND - BOARD EVAL ADSP-BF561
ADZS-BF561-MMSKIT-ND - KIT STARTER MULTIMEDIA BF561
ADZS-BFAV-EZEXT-ND - BOARD DAUGHT ADSP-BF533,37,61KIT
ADSP-BF561 
TIMING SPECIFICATIONS
Clock and Reset Timing
Table 16 and Figure 8 describe clock and reset operations. Per
Absolute Maximum Ratings on Page 22 , combinations of
CLKIN and clock multipliers must not result in core/system
clocks exceeding the maximum limits allowed for the processor,
including system clock restrictions related to supply voltage.
Table 16. Clock and Normal Reset Timing
Parameter
Min
Max
Unit
Timing Requirement s
t CKIN
t CKINL
t CKINH
t WRST
CLKIN (to PLL) Period 1, 2, 3
CLKIN Low Pulse
CLKIN High Pulse
RESET Asserted Pulse Width Low 4
25.0
10.0
10.0
11 × t CKIN
100.0
ns
ns
ns
ns
1
2
3
4
If DF bit in PLL_CTL register is set t CLKIN is divided by two before going to PLL, then the t CLKIN maximum period is 50 ns and the t CLKIN minimum period is 12.5 ns.
Applies to PLL bypass mode and PLL nonbypass mode.
Combinations of the CLKIN frequency and the PLL clock multiplier must not exceed the allowed f VCO , f CCLK , and f SCLK settings discussed in Table 9 on Page 20 through Table 12
Applies after power-up sequence is complete. See Table 17 and Figure 9 for power-up reset timing.
t CKIN
CLKIN
t CKINL
t CKINH
t WRST
RESET
Figure 8. Clock and Normal Reset Timing
Table 17. Power-Up Reset Timing
Parameter
Min
Max
Unit
Timing Requirement s
t RST _ IN _ PWR
RESET Deasserted after the V DDINT , V DDEXT , and CLKIN Pins are Stable and Within
3500 × t CKIN
μ s
Specification
t RST_IN_PWR
RESET
CLKIN,
V DDINT, V DDEXT
Figure 9. Power-Up Reset Timing
Rev. E |
Page 23 of 64 |
September 2009
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