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FIGURE B-2:
EVB-USB7056 EVALUATION BOARD SCHEMATIC 2
1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
Page Title:
Project Name:
USB7x56 Part A
EVB-USB7x56
PN:
UNG_8145
Description:
Date:
Size:
Sheet
of
Rev
B
2
11
B
4/26/2019
Designer:
Andrew Rogers
EVB-USB7x56 Evaluation Board for USB7x56 QFN-100
Designed with
Microchip Technology, Inc.
USB/Network Group - UNG
www.Microchip.com
Altium.com
Battery Charging
Non-Removable
BC/Non-Rem Select
CFG_STRAP1
CFG_STRAP1
CFG_STRAP2
SPI_CEn/CFG_NON_REM
SPI_DI/CFG_BC_EN /
OP
T
ION
1
*
CFG_BC_EN
CFG_NON_REM
For SPI (1-2, 4-5)
For BC (2-3)
Default Open
For NON_REM (5-6)
OP
T
ION
2
OP
T
ION
3
OP
T
ION
4
OP
T
ION
5
OP
T
ION
6
Connect only one
10k
R149
12k
1%
R125
RBIAS
Reset
Ext. Reset
1k
R96
RESET
RST_N
USB7x56 Part A
Reset
SPI_CLK/PF21
4
SPI_MOSI/PF22
4
SPI_MISO/PF23
4
SPI_CE/PF20
4
Configuration Option
*
*
*
SPI_D3/PF25
4
SPI_D2/PF24
4
10R
R69
10R
R68
200k
R73
200k
R72
200k
R141
200k
R133
200k
R132
10R
R131
10k
R71
10k
R70
100k
R95
RST
RST_N
25MHZ
10k
R129
3V3_BRD
200k
R147
CFG_STRAP3
i
Power
Note to layout: Close spacing between OSC1 and U1A
25 MHz Oscillator
25MHZ
1
2
3
J16
1
2
3
J18
1
2
3
4
5
6
7
8
9
10
11
12
J9
4
2
1
3
SPST-NO
SW2
Options 3-6
require custom
firmware
3V3_BRD
3V3_BRD
3V3_BRD
3V3_BRD
3V3_BRD
3V3_BRD
3V3_BRD
3V3_BRD
3V3_BRD
GP_IND_B
GP_IND_C
GP_IND_D
GP_IND_E
LED Drivers
GP_IND_A
GP_IND_F
100k
R27
100k
R35
100k
R42
100k
R43
100k
R30
100k
R20
1
2
3
4
5
6
Yes
J7
1k
R19
GP Indicators
GP_IND_A
1k
R34
GP_IND_B
1k
R47
GP_IND_C
1k
R48
GP_IND_D
1k
R38
GP_IND_E
1k
R26
"F"
GP_IND_F
"A"
"B"
"C"
"D"
"E"
D2
D5
D8
D9
D6
D4
3V3_BRD
RED
D11
1
2
Yes
J10
1
2
3
4
5
6
J15
VDD
3
GND
1
RST
2
MIC803/2.93V
U9
GND
2
VDD
4
STBY#
1
OUT
3
GND VDD
STBY#O
#
# UT
25MHz
Y1
1
2
3
5
9
11
13
GND
7
VCC
14
4
6
8
10
12
1A
2A
3A
4A
5A
6A
1Y
2Y
3Y
4Y
5Y
6Y
74LVC14AD
U2
3V3_BRD
3V3_BRD
0.1uF
C82
0.1uF
C64
0.1uF
C62
0.1uF
C5
0.1uF
C129
0.1uF
C98
0.1uF
C145
0.1uF
C127
0.1uF
C84
0.1uF
C87
0.1uF
C130
0.1uF
C94
0.1uF
C131
0.1uF
C133
0.1uF
C144
0.1uF
C137
0.1uF
C139
0.1uF
C143
0.1uF
C140
0.1uF
C141
0.1uF
C142
2
4
VCC
5
GND
3
VCC
V
V
GND
C
D
U8
74LVC1G14GW,125
0R
R126
VDD33
26
VDD33
43
VDD33
53
VDD33
62
VDD33
67
VDD33
79
VDD33
88
VDD33
99
EP
101
MCLR
63
ICSP_DATA
64
ICSP_CLK
65
SPI_CLK/PF21
68
SPI_D0/CFG_BC_EN/PF22
70
SPI_D1/PF23
71
SPI_CE_N/CFG_NON_REM/PF20
69
SPI_D2/PF24
72
SPI_D3/PF25
73
XTALO
97
XTALI/CLK_IN
98
RESET_N
1
TESTEN
24
RBIAS
100
CFG_STRAP1
21
CFG_STRAP2
22
Power
Programming
Clock
SPI+SQI
Strap
Utility/Test
ATEST
96
CFG_STRAP3
23
VDD12
9
VDD12
18
VDD12
25
VDD12
31
VDD12
38
VDD12
55
VDD12
78
VDD12
85
VDD12
93
USB7056
U13A
VDDCORE
VDDCORE
RST_N
4
TP26
TP27
TP29
10k
R128
3V3_BRD
10k
R127
3V3_BRD
ATEST1
ATEST2
ATEST3
Select
Select
All Ports BC Enabled [1-2] (10R PU)*
All Ports BC Disabled [2-3] (200k PD)
All Ports Non-Removable [1-2] (10R PU)
All Ports Removeable [2-3] (200k PD)*
10R
R130
