Schematics
2018
Micr
ochip T
e
ch
nol
ogy
Inc.
A
d
va
nce Inf
o
rm
at
ion
DS
50002762A
-page 25
FIGURE A-4:
dsPIC33CH CURIOSITY BOARD LAYOUT SCHEMATIC REV. 1.0 (SHEET FOUR OF FOUR)
Designed with
Altium.com
1
3
2
MMBT3904
Q 5
330R
1%
R32
100k
1%
R45
4.7k
1%
R31
D_P
D_N
D_N
D_P
3.16k
1%
R27
1k
1%
R25
VDD_SENSE
VPP_SENSE
VPP_SENSE
VDD_SENSE
10k
1%
R49
100R
1%
R47
MCLR
4.7k
1%
R37
10k
1%
R48
PKEE_CS
PKEE_WP
PKEE_SCK
PKEE_MISO
PKEE_MISO
PKEE_CS
10k
1%
R50
PKEE_SCK
PKEE_MOSI
PKEE_MOSI
PKEE_WP
10k
1%
R24
PKSCK
PKMISO
PKMOSI
330R
1%
R29
330R
1%
R36
PKMOSI
PKMISO
PKSCK
RB3_PGD2
RB4_PGC2
PK_PGC
PK_PGD
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
10k
1%
R33
3V3
+t
500 mA Polyfuse
1210
TH1
100R
1%
R2 8
10k
1%
R35
10k
1%
R38
3V3
1
3
2
MMBT3904
Q 4
10k
1%
R46
1
2
3
MMBT3906
Q 3
10k
1%
R44
3V3
100k
1%
R42
3V3
2
3
1
DNP
X2
DNP
R41
DNP
R39
3V3
3V3
RC11_TXB
RC10_RXB
DNP
R40
DNP
R43
1k
0603
1%
R30
1k
0603
1%
R34
3.57k
0603
1%
R26
ID
4
V
BUS
1
GND
5
D-
2
D+
3
0
USB MICRO-B FEMALE
J 20
PICkit™ On-Board
Target ICSP™ Signals
PKOB Serial EEPROM (25LC256)
3V3
PKOB USB Interface
1
2
3
4
5
6
J9
PK_PGD
PK_PGC
3V3
V
PP
/MCLR
V
DD
GND
ICSPCLK
NC
ICSPDAT
Bumpon Hemisphere Black
PAD1
PAD2
PAD3
PAD4
PKVBUS
10 μF
25V
0805
C14
3V3
DSC 6011J I1A-012.0000
10k
1%
R51
4.7k
1%
R23
4.7k
1%
R53
1
2
3
M
M
B
T
3906
Q12
0.1 μF
25V
0603
C49
20k
0603
1%
R101
0.1 μF
25V
0603
C50
20k
0603
1%
R100
PKVBUS
16V
1 μF
0603
C48
(with V
BUS
inrush slew rate limiting)
VBUS5
0.1 μF
25V
C16
0.1 μF
25V
C17
0.1 μF
25V
C18
0.1 μF
25V
C19
0.1 μF
25V
0603
C27
0.1 μF
25V
0603
C28
0.1 μF
25V
0603
C20
CS
1
SO
2
WP
3
V
SS
4
SI
5
SCK
6
HOLD
7
V
CC
8
25LC 256-I/SN
U6
PMD5/CN63/RE5
1
SCL3/PMD6/CN64/RE6
2
SDA3/PMD7/CN65/RE7
3
C1IND/RP21/PMA5/CN8/RG6
4
C1INC/RP26/PMA4/CN9/RG7
5
C2IND/RP19/PMA3/CN10/RG8
6
MCLR
7
RP27/PMA2/C2INC/CN11/RG9
8
Vss
9
V
DD
10
PGEC3/AN5/C1INA/V
BUSON
/RP18/CN7/RB5
11
PGED3/AN4/C1INB/USBOEN/RP28/CN6/RB4
12
AN3/C2INA/VPIO/CN5/RB3
13
AN2/C2INB/VMIO/RP13/CN4/RB2
14
PGEC1/AN1/V
REF
-/RP1/CN3/RB1
15
PGED1/AN0/V
REF
+/RP0/PMA6/CN2/RB0
16
PGEC2/AN6/RP6/CN24/RB6
17
PGED2/AN7/RP7/RCV/CN25/RB7
18
AV
DD
19
AVss
20
AN8/RP8/CN26/RB8
21
AN9/RP9/PMA7/CN27/RB9
22
TMS/CV
REF
/AN10/PMA13/CN28/RB10
23
TDO/AN11/PMA12/CN29/RB11
24
Vss
25
V
DD
26
TCK/AN12/PMA11/CTED2/CN30/RB12
27
TDI/AN13/PMA10/CTED1/CN31/RB13
28
AN14/CTPLS/RP14/PMA1/CN32/RB14
29
AN15/RP29/REFO/PMA0/CN12/RB15
30
SDA2/RP10/PMA9/CN17/RF4
31
SCL2/RP17/PMA8/CN18/RF5
32
RP16/USBID/CN71/RF3
33
V
BUS
34
V
USB
35
D-/RG3
36
D+/RG2
37
V
DD
38
OSCI/CLKI/CN23/RC12
39
OSCO/CLKO/CN22/RC15
40
Vss
41
RTCC/DMLN/RP2/CN53/RD8
42
DPLN/SDA1/RP4/CN54/RD9
43
SCL1/RP3/PMCS2/CN55/RD10
44
RP12/PMCS1/CN56/RD11
45
DMH/RP11/INT0/CN49/RD0
46
SOSCI/C3IND/CN1/RC13
47
SOSCO/T1CK/C3INC/RPI37/CN0/RC14
48
VCPCON/RP24/CN50/RD1
49
DPH/RP23/CN51/RD2
50
RP22/PMBE/CN52/RD3
51
RP25/PMWR/CN13/RD4
52
RP20/PMRD/CN14/RD5
53
C3INB/CN15/RD6
54
C3INA/CN16/RD7
55
V
CAP
/V
DDCORE
56
ENVREG
57
V
BUSST
/V
CMPST1
/CN68/RF0
58
V
CMPST2
/CN69/RF1
59
PMD0/CN58/RE0
60
PMD1/CN59/RE1
61
PMD2/CN60/RE2
62
PMD3/CN61/RE3
63
PMD4/CN62/RE4
64
U4
3
1
2
DMP2100U
Q13
STB
1
GND
2
OUT
3
V
DD
4
12.00 MH z
X3
PIC24FJ256GB106-I/PT