1
Block Diagram and Pin Descriptions
VDD
VDD
1 μ F
Coefficient
ADDR
ADDR
CAP
CAP
1 μ F
Storage
ADDR
Diff
Amp
ADC
ADDR Pressure
ADDR Temperature
SHDN
SHDN
Temp
Sensor
I 2 C
Interface
SCL
SCL
SDA
SDA
4.7 k
4.7 k
μ C
Microcontroller
RST
RST
GND
GND
Figure 1. Block Diagram and Pin Connections
Table 1. Pin Description
Pin
1
2
3
4
5
6
7
8
Name
VDD
CAP
GND
SHDN
RST
NC
SDA (1)
SCL (1)
Function
VDD Power Supply Connection: VDD range is 2.375V to 5.5V.
1 μ F connected to ground.
Ground
Shutdown: Connect to GND to disable the device. When in shutdown, the part draws no more than 1 μ A supply
current and all communications pins (RST, SCL, SDA) are high impedance. Connect to VDD for normal
operation.
Reset: Connect to ground to disable I 2 C communications.
NC: No connection
SDA: Serial data I/O line
I 2 C Serial Clock Input.
1. Use 4.7k pullup resistors for I 2 C communication.
MPL115A2
Sensors
2
Freescale Semiconductor, Inc.
相关PDF资料
KITMPVZ5004EVK KIT EVAL PRESSURE SENS BOARD
KN500B1/4 SWITCH KNOB STRAIGHT .50" BLACK
KN5700B1/4 SWITCH KNOB STRAIGHT .75" BLACK
KN700B1/4 SWITCH KNOB STRAIGHT .75" BLACK
KS-100 PROTECTIVE COVER FOR RELAYS
KTKK-0500 CONN HEAT SHRINK TUBE SZ 8 STR
KTKK-0674 CONN HEAT SHRINK TUBE SZ E STR
KTKK-1123 CONN HEAT SHRINK TUBE SZ D ANG
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