Schematics

TC7USB40MU
1 3
42
VIN
4
STAT
1
VBAT
3
PROG
5
VSS
2
2
1
IN
GND
OUT
EN
BP
1
2
3
4
RI/CLK
1
GND
2*2
D+
3
D-
4
VIO
5
VDD
6
VREGIN
7
VBUS
8
RSTB
9
GPIO3/WAKEUP
11
GPIO2/RS485
12
GPIO1/RXT
13
GPIO0/TXT
14
SUSPENDB
15
SUSPEND
17
CTS
18
RTS
19
RXD
20
TXD
21
DSR
22
DTR
23
DCD
24
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1 3
42
GND
VBUS
CC1
D+
D-
CC2
SHLD
3V3
2
EN
41
IO36
30
IO34
28
IO35
29
IO33
27
SPICS1/IO26
25
IO14
17
IO12
15
IO13
16
IO9
12
IO10
13
IO11
14
U0TXD
37
U0RXD
38
IO21
24
USB_D-/IO19
22
DAC_2/IO18
21
IO5
8
DAC_1/IO17
20
IO16/XTAL_32K_N
19
IO4
7
IO0/STRAP
3
IO2
5
IO15/XTAL_32K_P
18
IO8
11
IO7
10
IO6
9
GND
1*12
IO1
4
IO3
6
USB_D+/IO20
23
IO37
31
IO38
32
MTCK/IO39
33
MTDO/IO40
34
MTDI/IO41
35
MTMS/IO42
36
STRAP/IO45
39
STRAP/IO46
40
VCC
1
GND
3
GND
5
KEY
7
GNDDTCT
9
RESET
10
NC/TDI
8
SWO/TDO
6
SWDCLK/TCK
4
SWDIO/TMS
2
1 2
3 4
5 6
7 8
VCC
9
D+
3
2D+
2
1D-
7
1D+
1
D-
5
S
10
OE
8
2D-
6
GND
4
U5
Released under the Creative Commons
Attribution Share-Alike 4.0 License
https://creativecommons.org/licenses/by-sa/4.0/
Design by:
THIS IS A FOUR-LAYER BOARD!
USB-C
S:L
S:H