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參數(shù)資料
| 型號： | EVAL-AD7877EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Touch Screen Controller |
| 中文描述： | 觸摸屏控制器 |
| 文件頁數(shù)： | 41/44頁 |
| 文件大?。?/td> | 1002K |
| 代理商： | EVAL-AD7877EB |
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AD7877
GPIO REGISTERS
GPIO registers are written to using an extended 8-bit address.
The first four bits of the data-word are always 1111b to access
the extended writing map. The next four bits are the register
address. This leaves 8 bits for the GPIO data.
Rev. A | Page 41 of 44
GPIO registers are read like all other registers, by writing a 5-bit
address to Control Register 1, then reading DOUT.
See the GPIO Configuration section for information on
configuring the GPIOs.
Register Name: GPIO Control Register 1
Write Address: [1111] 0000; Read Address: 11011; Default Value: 0x000.
Table 22.
Read/
Write
0
GPIO2_ALEN
R/W
Bit
Name
Description
If this bit is 1, GPIO2 is an interrupt source for the ALERT output.
Clearing this bit masks out GPIO2 as an interrupt source for the ALERT output.
This bit sets the direction of GPIO2.
0 = Output
1 = Input
This bit determines if GPIO2 is active high or low.
0 = Active low
1 = Active high
This bit selects the function of AUX2/GPIO2.
0 = AUX2
1 = GPIO2
If this bit is 1, GPIO1 is an interrupt source for the ALERT output.
Clearing this bit masks out GPIO1 as an interrupt source for the ALERT output.
This bit sets the direction of GPIO1.
0 = Output
1 = Input
This bit determines if GPIO1 is active high or low.
0 = Active low
1 = Active high
This bit selects the function of AUX1/GPIO1.
0 = AUX1
1 = GPIO1
1
GPIO2_DIR
R/W
2
GPIO2_POL
R/W
3
GPIO2_EN
R/W
4
GPIO1_ALEN
R/W
5
GPIO1_DIR
R/W
6
GPIO1_POL
R/W
7
GPIO1_EN
R/W
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相關(guān)代理商/技術(shù)參數(shù) |
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| EVAL-AD7877EBZ | 功能描述:BOARD EVALUATION FOR AD7877 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電信，線路接口單元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要屬性:T1/J1/E1 LIU 次要屬性:- 已供物品:板，電源，線纜，CD 其它名稱:82EBV2081 |
| EVAL-AD7879-1EBZ | 功能描述:BOARD EVALUATION FOR AD7879-1 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電信，線路接口單元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要屬性:T1/J1/E1 LIU 次要屬性:- 已供物品:板，電源，線纜，CD 其它名稱:82EBV2081 |
| EVAL-AD7879EBZ | 功能描述:BOARD EVALUATION FOR AD7879 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電信，線路接口單元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要屬性:T1/J1/E1 LIU 次要屬性:- 已供物品:板，電源，線纜，CD 其它名稱:82EBV2081 |
| EVAL-AD7887CB | 制造商:Analog Devices 功能描述:EVAL BD FOR 2.7 V TO 5.25 V, MICROPWR, 2CH, 125 KSPS, 12-BIT - Bulk |
| EVAL-AD7887CB4 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.7 V to 5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead MSOP |
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