參數(shù)資料
型號: ADSP-BF548MBBCZ-5M
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: 533 MHz Blackfin Embedded Processor: ADSP-BF548MBBCZ-5M Temp Range: –40°C to +85°C Package: 400-Ball CSP_BGA BC-400-1
中文描述: 16-BIT, 50 MHz, OTHER DSP, PBGA400
封裝: 17 X 17 MM, ROHS COMPLIANT, CSBGA-400
文件頁數(shù): 38/100頁
文件大?。?/td> 3095K
代理商: ADSP-BF548MBBCZ-5M
Rev. D
|
Page 42 of 100
|
May 2011
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
In Figure 12, VDD_SUPPLIES is VDDINT, VDDEXT, VDDDDR, VDDUSB,
VDDRTC, VDDVR, and VDDMP.
Table 25. Clock Out Timing
Parameter
Min
Max
Unit
Switching Characteristics
tSCLK
CLKOUT Period
1, 2
7.5
ns
tSCLKH
CLKOUT Width High
2.5
ns
tSCLKL
CLKOUT Width Low
2.5
ns
1 The t
SCLK value is the inverse of the fSCLK specification. Reduced supply voltages affect the best-case value of 7.5 ns listed here.
2 The t
SCLK value does not account for the effects of jitter.
Figure 11. CLKOUT Interface Timing
Table 26. Power-Up Reset Timing
Parameter
Min
Max
Unit
Timing Requirements
tRST_IN_PWR
RESET Deasserted After the VDDINT, VDDEXT, VDDDDR,VDDUSB,VDDRTC,VDDVR,VDDMP, and
CLKIN Pins Are Stable and Within Specification
3500 × tCKIN
ns
t
SCLKL
t
SCLKH
t
SCLK
CLKOUT
Figure 12. Power-Up Reset Timing
RESET
tRST_IN_PWR
CLKIN
V
DD_SUPPLIES
相關(guān)PDF資料
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