参数资料
型号: AD7142ACPZ-1REEL
厂商: Analog Devices Inc
文件页数: 24/73页
文件大小: 0K
描述: IC CAP-TO-DGTL CONV PROG 32LFCSP
标准包装: 1
类型: 电容数字转换器
分辨率(位): 16 b
采样率(每秒): 250k
数据接口: 串行
电压电源: 单电源
电源电压: 2.6 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ
包装: 标准包装
产品目录页面: 781 (CN2011-ZH PDF)
其它名称: AD7142ACPZ-1REELDKR
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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