参数资料
型号: KITMPR121EVM
厂商: Freescale Semiconductor
文件页数: 12/27页
文件大小: 0K
描述: KIT EVALUATION MPR121
产品培训模块: MPR121: Low-Power Touch Sensor
标准包装: 1
传感器类型: 近程
接口: USB
电源电压: 5V,USB
嵌入式:
已供物品: 4 个板,线缆,文档
已用 IC / 零件: MPR121
产品目录页面: 2808 (CN2011-ZH PDF)
MPR121
Sensors
2
Freescale Semiconductor, Inc.
1
Pin Descriptions
Table 1. Pin Descriptions
Pin No.
Pin Name
Description
1
IRQ
Open Collector Interrupt Output Pin, active low
2
SCL
I2C Clock
3
SDA
I2C Data
4
ADDR
I2C Address Select Input Pin. Connect the ADDR pin to the VSS, VDD, SDA or SCL line
, the resulting I2C addresses
are 0x5A, 0x5B, 0x5C and 0x5D respectively
5
VREG
Internal Regulator Node – Connect a 0.1
μF bypass cap to VSS
6
VSS
Ground
7
REXT
External Resistor – Connect a 75 k
Ω 1% resistor to VSS to set internal reference current
8
ELE0
Electrode 0
9
ELE1
Electrode 1
10
ELE2
Electrode 2
11
ELE3
Electrode 3
12
ELE4
Electrode 4
13
ELE5
Electrode 5
14
ELE6
Electrode 6
15
ELE7
Electrode 7
16
ELE8
Electrode 8
17
ELE9
Electrode 9
18
ELE10
Electrode 10
19
ELE11
Electrode 11
20
VDD
Connect a 0.1
μF bypass cap to VSS
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