Schematic
2016-2020 Microchip Technology Inc.
DS40001856C-page 19
FIGURE A-4:
CURIOSITY HPC DEVELOPMENT BOARD SCHEMATIC REV 2 (3 OF 4)
1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
of
Curiosity HPC
10/23/2019 10:35:57 AM
VirtualCommPort.SchDoc
Project Title
Sch #:
Date:
File:
Revision:
Sheet
Designed with
Drawn By:
M.Loper/M.Ragsdale
Sheet Title
Virtual Comm Port
Engineer:
M.Pearce/A.Rodriguez
03-10536
2
Size
B
DM164136
PartNumber:
Variant:
Production
Altium.com
Virtual Comm Port
74LVC1T45GW
DIR
5
A
3
B
4
GND
2
VCCA
1
VCCB
6
U8
3V3
GND
3V3
GND
0.1uF
16V
0201
C36
22R
0603
1%
R54
UART_RX
74LVC1T45GW
DIR
5
A
3
B
4
GND
2
VCCA
1
VCCB
6
U9
3V3
GND
GND
3V3
0.1uF
16V
0201
C37
22R
0603
1%
R55
UART_TX
STREAM_TXD2
STREAM_RXD2
VCP_UART_TX
VCP_UART_RX
VCP
VCP
BOARD_VDD
BOARD_VDD
1
2
HDR-2.54 Female 1x2
J47
(To Tartget TX)
(To Tartget RX)
1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
of
Curiosity HPC
10/23/2019 10:35:57 AM
ICSP.SchDoc
Project Title
Sch #:
Date:
File:
Revision:
Sheet
Designed with
Drawn By:
M.Loper/M.Ragsdale
Sheet Title
ICSP
Engineer:
M.Pearce/A.Rodriguez
03-10536
2
Size
B
DM164136
PartNumber:
Variant:
Production
Altium.com
74LVC1T45GW
DIR
5
A
3
B
4
GND
2
VCCA
1
VCCB
6
U6
3V3
330R
0402
1%
R34
330R
0402
1%
R35
74LVC1T45GW
DIR
5
A
3
B
4
GND
2
VCCA
1
VCCB
6
U7
3V3
330R
0402
1%
R36
3V3
CLK_EN
3V3
DATA_EN
0.1uF
16V
0201
C29
0.1uF
16V
0201
C28
330R
0402
1%
R37
22R
0603
1%
R53
22R
0603
1%
R52
MOSI
SCK
MISO
SCK_IN
CLK_EN
DATA_EN
ICSP
ICSP
ICSP_SPI0_SPCK
ICSP_SPI0_MOSI
ICSP_SPI0_MISO
ISP_SPI1_SPCK
ICSP_SPI0_MOSI
ICSP_SPI0_MISO
ICSP_SPI0_SPCK
(ICSP_SCK)
(SCK_IN)
(ICSP_SDO)
(ICSP_SDI)
ICSP
ISP_SPI1_SPCK
BOARD_VDD
BOARD_VDD
4.7k
0402
1%
R38
4.7k
0402
1%
R51
IRLML6402
3
1
2
Q2
VPP_ON
VPP_GND
VPP Switch
4.7k
0402
1%
R30
4.7k
0402
1%
R28
4.7k
0402
1%
R29
TN2106
3
1
2
Q3
TN2106
3
1
2
Q4
10uF
25V
0805
C26
10uF
25V
0805
C27
BOARD_VDD
DATA_EN
CLK_EN
100R
0603
1%
R31
3.3k
0402
1%
R32
3.3k
0402
1%
R33
PGD
PGC
nMCLR
