参数资料
型号: ADSP-BF561SKBCZ-6V
厂商: Analog Devices Inc
文件页数: 39/64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 
Timer Cycle Timing
Table 30 and Figure 27 describe timer expired operations. The
input signal is asynchronous in width capture mode and exter-
nal clock mode and has an absolute maximum input frequency
of f SCLK /2 MHz.
Table 30. Timer Cycle Timing
Parameter
Min
Max
Unit
Timing Characteristics
t WL
t WH
Timer Pulse Width Input Low 1 (Measured in SCLK Cycles)
Timer Pulse Width Input High 1 (Measured in SCLK Cycles)
1
1
SCLK
SCLK
Switching Characteristic
t HTO
Timer Pulse Width Output 2 (Measured in SCLK Cycles)
1
(2 32 –1)
SCLK
1
2
The minimum pulse widths apply for TMRx input pins in width capture and external clock modes. They also apply to the PF1 or PPIxCLK input pins in PWM output mode.
The minimum time for t HTO is one cycle, and the maximum time for t HTO equals (2 32 –1) cycles.
CLKOUT
t HTO
TMRx
(PWM OUTPUT MODE)
TMRx
(WIDTH CAPTURE AND
t WL
t WH
EXTERNAL CLOCK MODES)
Figure 27. Timer PWM_OUT Cycle Timing
Rev. E |
Page 39 of 64 |
September 2009
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