參數(shù)資料
型號: EVAL-ADV7180-32EBZ
廠商: Analog Devices Inc
文件頁數(shù): 92/116頁
文件大小: 0K
描述: BOARD EVAL FOR ADV7180
標準包裝: 1
系列: Advantiv®
主要目的: 視頻,SDTV 視頻解碼器 - NTSC,PAL,SECAM
嵌入式:
已用 IC / 零件: ADV7180
主要屬性: CVBS(復合),Y/C(S 視頻)和 YPrPb(元件)輸入
次要屬性: 8 位 ITU-R BT.656 YCrCb 4:2:2 輸出
已供物品:
Data Sheet
ADV7180
Rev. I | Page 77 of 116
GPO CONTROL
The 64-lead and 48-lead LQFP has four general-purpose
outputs (GPO). These outputs allow the user to control other
devices in a system via the I2C port of the device.
The 40-lead and 32-lead LFCSP do not have GPO pins.
GPO_ENABLE, General-Purpose Output Enable,
Address 0x59[4]
When GPO_ENABLE is set to 0, all GPO pins are three-stated.
When GPO_ENABLE is set to 1, all GPO pins are in a driven
state. The polarity output from each GPO is controlled by
GPO[3:0] for the 64-lead and 48-lead LQFP.
GPO[3:0], General-Purpose Outputs, Address 0x59[3:0]
Individual control of the four GPO ports is achieved using
GPO[3:0].
GPO_ENABLE must be set to 1 for the GPO pins to become active.
GPO[0]
When GPO[0] is set to 0, Logic 0 is output from the GPO0 pin.
When GPO[0] is set to 1, Logic 1 is output from the GPO0 pin.
GPO[1]
When GPO[1] is set to 0, Logic 0 is output from the GPO1 pin.
When GPO[1] is set to 1, Logic 1 is output from the GPO1 pin.
GPO[2]
When GPO[2] is set to 0, Logic is output from the GPO2 pin.
When GPO[2] is set to 1, Logic 1 is output from the GPO2 pin.
GPO[3]
When GPO[3] is set to 0, Logic 0 is output from the GPO3 pin.
When GPO[3] is set to 1, Logic 1 is output from the GPO3 pin.
Table 103. General-Purpose Output Truth Table
GPO_ENABLE
GPO[3:0]
GPO3
GPO2
GPO1
GPO0
0
XXXX1
Z
1
0000
0
1
0001
0
1
0010
0
1
0
1
0011
0
1
0100
0
1
0
1
0101
0
1
0
1
0110
0
1
0
1
0111
0
1
1000
1
0
1
1001
1
0
1
1010
1
0
1
0
1
1011
1
0
1
1100
1
0
1
1101
1
0
1
1110
1
0
1
1111
1
X indicates any value.
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