參數(shù)資料
型號: AD7142ACPZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 24/73頁
文件大?。?/td> 0K
描述: IC CAP-TO-DGTL CONV PROG 32LFCSP
標準包裝: 1
類型: 電容數(shù)字轉換器
分辨率(位): 16 b
采樣率(每秒): 250k
數(shù)據(jù)接口: 串行
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: 32-VFQFN 裸露焊盤,CSP
供應商設備封裝: 32-LFCSP-VQ
包裝: 標準包裝
產(chǎn)品目錄頁面: 781 (CN2011-ZH PDF)
其它名稱: AD7142ACPZ-REELDKR
AD7142
Rev. A | Page 29 of 72
GPIO
INPUT
INT
OUTPUT
SERIAL
READBACK
GPIO
INPUT
INT
OUTPUT
1
GPIO INPUT LOW WHEN REGISTER IS READ BACK
GPIO INPUT HIGH WHEN REGISTER IS READ BACK
NOTES
1. READ GPIO_STATUS REGISTER TO RESET INT OUTPUT.
05
70
2-
0
30
Figure 43. INT Output Controlled by the GPIO Input Example,
GPIO_SETUP = 01, GPIO_INPUT_CONFIG = 10
GPIO
INPUT
INT
OUTPUT
SERIAL
READBACK
GPIO
INPUT
INT
OUTPUT
1
GPIO INPUT LOW WHEN REGISTER IS READ BACK
GPIO INPUT HIGH WHEN REGISTER IS READ BACK
NOTES
1. READ GPIO_STATUS REGISTER TO RESET INT OUTPUT.
05
70
2-
03
1
Figure 44. INT Output Controlled by the GPIO Input Example,
GPIO_SETUP = 01, GPIO_INPUT_CONFIG = 11
Table 14. GPIO Interrupt Behavior
GPIO_INPUT_CONFIG
GPIO Pin
GPIO_STATUS
INT
INT Behavior
00 = Negative Level Triggered
1
0
1
Not triggered
00 = Negative Level Triggered
0
1
0
Asserted when 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 when signal on GPIO pin is high
11 = Positive Level Triggered
0
1
Not triggered
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