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UM982
unicore UM982 User Manual
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UC
-00-M31 EN R
1.
2
Hardwar
e D
esign
13
3
Har
dwa
r
e Design
3.1
Recommen
ded
Minimal Design
UM
9
8
2
ANT_BIAS2
ANT1
HOST
UM
9
8
2
3.3V
VCC
V_BCKP
ANT2
ANT_BIAS1
ANT1_
IN
ANT2_
IN
TXD
RXD
RESET_N
GND
GND
L1
L1
C1
C1
C2
C2
C3
BIF
B
IF
R1
R1
3.3V
3.3V
RXD(UART)
TXD(UART)
IO
Figure 3-1 Recommended Minimal Design
L1: 68 nH RF
inductor in 0603
package is recom
mended
C1: 100 nF
+ 100 pF capa
citors connected in paral
lel is recom
mended
C2: 100 p
F
capacito
r is recomm
ended
C3: N * 10
μF
+ 1 *
100
nF
capacito
rs connected in pa
rallel is recommend
ed, and the
total induc
t
ance sho
uld be no less than
30
μF
R1: 10
kΩ
resistor is
recommended
17
19
Table of Contents
Default Chapter
5
Table of Contents
5
1 Introduction
6
Key Features
7
Key Specifications
7
Block Diagram
10
2 Hardware
11
Pin Definition
11
Electrical Specifications
14
Absolute Maximum Ratings
14
Operating Conditions
15
IO Threshold
15
Antenna Feature
15
Dimensions
16
3 Hardware Design
18
Recommended Minimal Design
18
Antenna Feed Design
19
Power-On and Power-Off
20
Grounding and Heat Dissipation
20
Recommended PCB Package Design
21
4 Production Requirement
22
5 Packaging
23
Label Description
23
Product Packaging
23
4
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unicore UM982 Specifications
General
Brand
unicore
Model
UM982
Category
Control Unit
Language
English
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