參數(shù)資料
型號(hào)： MPR081QR2
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： SPECIALTY MICROPROCESSOR CIRCUIT, QCC16
封裝： 5 X 5 MM, 1 MM HEIGHT, ROHS COMPLIANT, QFN-16
文件頁(yè)數(shù)： 17/22頁(yè)
文件大小： 324K
代理商： MPR081QR2
MPR081
Sensors
4
Freescale Semiconductor
Figure 2. MPR081 Pinout
Table 6. Pin Description
Pin
Name
Function
1RST
Reset Input. Active low clears the 2-wire interface and puts the device in the same
condition as power-up reset.
2IRQ
Interrupt Output. IRQ is the active-low open-drain interrupt output signalling new events.
3
VDD
Positive Supply Voltage Bypass VDD to VSS with a 0.1F ceramic capacitor
4
VSS
Ground
5
SCL
IC-Compatible Serial Clock Input
6
SDA
IC-Compatible Serial Data I/O
7
AD0
Address input 0. Connect to VSS to select device slave address 0x4C. Connect to VDD
to select device slave address 0x4D.
8
SOUNDER
Sounder driver output. Connect a piezo-ceramic sounder from this output to ground.
Output is push-pull.
9 - 16
RNW, RW, RSW, RS,
RSE, RE, RNE, RN
Rotary Touch Inputs. Connect the 8 inputs to a 16-position rotary sensor.
PAD
Exposed Pad
Exposed Pad on Package Underside (QFN only). Connect to VSS.
RN
RNE
RE
RSE
RS
RSW
RW
RNW
VDD
VSS
SCL
SDA
AD0
SOUNDER
RST
IRQ
MPR081Q
1
8
7
6
5
4
3
2
13
14
15
16
12
9
10
11
RN
RNE
RE
RSE
RS
RSW
RW
RNW
VDD
VSS
SCL
SDA
AD0
SOUNDER
RST
IRQ
MPR081EJ
1
4
3
2
5
8
7
6
16
13
14
15
12
9
10
11
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