參數(shù)資料
型號(hào): AD9920ABBCZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 99/112頁(yè)
文件大?。?/td> 0K
描述: IC PROCESSOR CCD 12BIT 105CSPBGA
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
電壓 - 電源,模擬: 1.6 V ~ 2 V
電壓 - 電源,數(shù)字: 1.6 V ~ 2 V
封裝/外殼: 105-LFBGA,CSPBGA
供應(yīng)商設(shè)備封裝: 105-CSPBGA(8x8)
包裝: 管件
AD9920A
Rev. B | Page 87 of 112
Table 50. Standby Mode Operation for HCLKMODE = 0x10
(Standby Polarities for XV, XSUBCK, and GPO Outputs Are Programmable)
I/O Block
Standby3 (Default)1, 2
OUT_CONTROL = Low2
AFE
Off
No change
Off
Only REFT, REFB on
Timing Core
Off
No change
Off
On
CLO Oscillator
Off
No change
Off
On
CLO
Low
No change
Low
Running
H1
High-Z
Low
Low (4.3 mA)
H2
High-Z
Low
Low (4.3 mA)
H3
High-Z
Low
Low (4.3 mA)
H4
High-Z
Low
Low (4.3 mA)
H5
High-Z
Low
Low (4.3 mA)
H6
High-Z
Low
Low (4.3 mA)
H7
High-Z
Low
Low (4.3 mA)
H8
High-Z
Low
Low (4.3 mA)
HL
High-Z
Low
Low (4.3 mA)
RG
High-Z
Low
Low (4.3 mA)
VD
Low
VDHDPOL value
Running
HD
Low
VDHDPOL value
Running
DCLK
Low
Running
Low
Running
D0 to D11
Low
XV1 to XV24
Low
XSUBCK
Low
GPO1 to GPO4,
GPO7, and GPO8
Low
1 To exit Standby3 or Standby2 mode, write 00 to the standby register (Address 0x00, Bits[1:0]) and then reset the timing core after 500 μs to guarantee proper settling of the
oscillator and external crystal.
2 Standby3 mode takes priority over OUT_CONTROL for determining the output polarities.
3 These polarities assume OUT_CONTROL = high because OUT_CONTROL = low takes priority over Standby1 and Standby2.
4 Standby1 and Standby2 set H and RG drive strength to minimum value (4.3 mA).
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