iCE40 Ultra Breakout Board
Evaluation Board User Guide
© 2014-2020 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal.
All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
24 FPGA-EB-02034-1.2
Figure A.5. Regulator Connection
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
REGULATOR CONNECTION
iCE40 Ultra BREAKOUT BOARD
REGULATOR CONNECTION
+3.3V
+1.2V
+3.3V +1.2V
VBUS_5V
VCC_3.3V+3.31V
+1.22V VCC_1.2V
VBUS_5V
+3.3V
+1.2V
DM [3]
DP [3]
Title
Size Document Number Rev
Date: Sheet
of
<Doc> AB
67Thursday, March 06, 2014
Title
Size Document Number Rev
Date: Sheet
of
<Doc> AB
67Thursday, March 06, 2014
Title
Size Document Number Rev
Date: Sheet
of
<Doc> AB
67Thursday, March 06, 2014
C30
0.01uF
C29
1uF
C31
22uF
C28
10uF
R22
0.1
C37
0.1uF
R27 210K
L3
600 OHM 800MA
C42
22uF
C35
10uF
C38
0.1uF
C33
4.7uF
C27
10uF
C25
0.01uF
C39
0.1uF
TP6
DNI
1
L2
600 OHM 800MA
C40
0.1uF
C41
0.01uF
C43
0.1uF
R26
1M
R31
1K
C44 0.1uF
R25
1M
TP7
DNI
1
C32
0.1uF
TP5
DNI
1
C24
0.1uF
J8
SKT_MINIUSB_B_RA
PART_NUMBER = 5075BMR-05-SM-CR
Manufacturer = Neltron
VCC
1
D-
2
D+
3
ID
4
GND
5
L1
600 OHM 800MA
R28
0.1
R24
100
Part Reference = U5
LT3030EFE#TRPBF
Manufacturer = Linear
PART_NUMBER = LT3030EFE#TRPBF
GND3
5
IN1_1
18
SHDN2
11
GND2
15
PWRGD1
19
IN1_2
17
IN2_1
14
PWRGD2
12
GND4
6
IN2_2
13
SHDN1
20
GND1
16
OUT1_1
3
OUT1_2
4
BYP1
2
ADJ1
1
OUT2_1
7
OUT2_2
8
BYP2
9
ADJ2
10
THERMPAD
21
R30
100
R32 0
C36
1uF
R23
357K
D3
Green
1
2
C34
0.01uF
C26
10uF
This Power Supply circuit is suitable for external SPI flash boot only.
For Power Supply sequencing requirements for NVCM boot, refer to
DS1048, iCE40 Ultra Data Sheet, available at www.latticesemi.com.
To Next Page
Loading...
