UPMU-M3L1xLCD-B-EK Silicon Labs, UPMU-M3L1xLCD-B-EK Datasheet - Page 7
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UPMU-M3L1xLCD-B-EK
Manufacturer Part Number
UPMU-M3L1xLCD-B-EK
Description
Daughter Cards & OEM Boards UDP SiM3L1xx MCU Card (with LCD)
Manufacturer
Silicon Labs
Datasheet
1.UPMU-M3L1X-B-EK.pdf
(95 pages)
Specifications of UPMU-M3L1xLCD-B-EK
Product
MCU Cards
Core
ARM Cortex M3
Data Bus Width
32 bit
Description/function
MCU Card (with Static LCD) to use with UDP Motherboard
Interface Type
I2C, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Tool Is For Evaluation Of
SiM3L1xx
For Use With
SiM3L1xx
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- Download datasheet (868Kb)
Figure 2.4 shows a typical connection diagram for the power pins of the SiM3L1xx devices when the dc-dc buck
converter is used and the I/O are powered separately.
VBAT/VBATDC input
4.7, 0.1, and 0.01 uF
VBAT/VBATDC input
4.7, 0.1, and 0.01 uF
bypass capacitors
bypass capacitors
required on
Figure 2.4. Connection Diagram with DC-DC Converter Used and I/O Powered Separately
required on
Figure 2.3. Connection Diagram with External Radio Device
placed as close to the
capacitors must be
1 uF and 0.1 uF bypass
placed as close to the
pins as possible.
capacitors required for
capacitors must be
each I/O power pin
pins as possible.
1.8-VBAT V
1 uF and 0.1 uF bypass
capacitors required for
each I/O power pin
VBAT/VBATDC
1.8-VBAT V
VLCD
VBAT/VBATDC
VIO
10 uF capacitor required
on the VLCD pin
VIORF
VLCD
VIO
10 uF capacitor required
on the VLCD pin
Converter
SiM3L1xx Device
DC-DC
Low Dropout
Rev 0.5
Regulator
(LDO0)
Converter
SiM3L1xx Device
DC-DC
Low Dropout
Regulator
(LDO0)
IND
VDC
VSSDC
VSS
VDRV
VIORF
IND
VDC
VDRV
VSSDC
VSS
to external
to external
circuitry
radio
required between the
IND and VDC pins
required between the
0.56 uH inductor
IND and VDC pins
0.56 uH inductor
SiM3L1xx
required on VDC output
2.2, 0.1, and 0.01 uF
required on VDC output
bypass capacitors
2.2, 0.1, and 0.01 uF
bypass capacitors
7
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