參數(shù)資料
型號: AD7147WPACPZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 27/73頁
文件大小: 0K
描述: IC CAP-TO-DGTL CONV PROG 24LFCSP
標(biāo)準(zhǔn)包裝: 5,000
系列: CapTouch™
類型: 電容數(shù)字轉(zhuǎn)換器
分辨率(位): 16 b
采樣率(每秒): 250k
數(shù)據(jù)接口: 串行,SPI?
電壓電源: 單電源
電源電壓: 2.6 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 24-LFCSP-VQ(4x4)
包裝: 帶卷 (TR)
AD7147
Data Sheet
Rev. D | Page 32 of 72
GPIO
INPUT
GPIO
INPUT
1
GPIO INPUT LOW WHEN REGISTER IS READ BACK
GPIO INPUT HIGH WHEN REGISTER IS READ BACK
1READ GPIO_INT_STATUS BIT TO RESET INT OUTPUT.
INT
OUTPUT
INT
OUTPUT
SERIAL
READBACK
06
66
3-
04
2
Figure 45. Example of INT Output Controlled by the GPIO Input
(GPIO_SETUP = 01, GPIO_INPUT_CONFIG = 10)
GPIO
INPUT
SERIAL
READBACK
GPIO
INPUT
1
GPIO INPUT LOW WHEN REGISTER IS READ BACK
GPIO INPUT HIGH WHEN REGISTER IS READ BACK
NOTES
1READ GPIO_INT_STATUS BIT TO RESET INT OUTPUT.
INT
OUTPUT
INT
OUTPUT
06
66
3-
0
43
Figure 46. Example of INT Output Controlled by the GPIO Input
(GPIO_SETUP = 01, GPIO_INPUT_CONFIG = 11)
Table 15. GPIO Interrupt Behavior
GPIO_INPUT_CONFIG
GPIO Pin
GPIO_INT_STATUS
INT
INT Behavior
00 = Negative Level Triggered
1
0
1
Not triggered
00 = Negative Level Triggered
0
1
0
Asserted while signal on GPIO pin is low
01 = Positive Edge Triggered
1
0
Pulses low at low-to-high GPIO transition
01 = Positive Edge Triggered
0
1
Not triggered
10 = Negative Edge Triggered
1
0
1
Pulses low at high-to-low GPIO transition
10 = Negative Edge Triggered
0
1
0
Not triggered
11 = Positive Level Triggered
1
0
Asserted while signal on GPIO pin is high
11 = Positive Level Triggered
0
1
Not triggered
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