2013 Microchip Technology Inc.
DS41685A-page 27
FIGURE A-2:
SABREWING SCHEMATIC PART II: I
2
C TO USB BRIDGE
I
2
C™ to USB Bridge
GND
Shield
USB_B Mini
GND
D+
D-
V
CC
GND
5
4
3
2
1
V_USB
150K
R16
Vpic
GND
BU1
ICSP™
RA3
Vpic
GND
USB_D+
USB_D-
1
2
3
4
5
6
K7
V
PP
V
DD
GND
ICSPDAT
ICSPCLK
N/C
20
19
18
17
16
15
14
13
12
11
GND
USB_D+
USB_D-
Vpic
RC1
RC2
SDA0
RB5
SCL0
Vgestic
R6
1.8K
R7
1.8K
Vpic
100nF
C2
C5
1uF/10V
GND
GND
V
SS
RA0/D+/PGD
RA1/D_/PGC
VUSB
RC0/AN4/C12IN+/INT0/V
REF
+
RC1/AN5/C12IN1-/INT1/V
REF
RC2/AN6/P1D/C12IN2-/CV
REF
/INT2
RB4/AN10/SDI/SDA
RB6/SCK/SCL
RB5/AN11/RX/DT
V
DD
RA5/OSC1/CLKIN
RA4/AN3/OSC2CLKOUT
RA3/MCLR/V
PP
RC5/CCP1/PA1/T0CKI
RC4/P1B/C12OUT/SRQ
RC3/AN7/P1C/C12IN3-/PGM
RC6/AN8/SS/T13CKI/T1OSCI
RC7/AN9/SDO/T1OSCO
RB7/TX/CK
1
2
3
4
5
6
7
8
9
10
RB7
RC7
RC3
RC4
RC5
RA3
GND
GND
C9
18pF
XTAL1
12.00 MHz
C10
18pF
EIO2
R34
n.P.
MCLR
GND
RESET
SDA0
SCL0
EIO0
Vgestic
Vpic
R24
0R
D3
BZT55C3V6
GND
GND
K6
1
2
+
-
K6 = External Power
Supply for
GestIC
®
GND
(remove R23)
R23
0R
5
V
OUT
C7
10
U
F/6.3V
GND
2
V
IN
/SHDN
GND
1
3
C4
1uF/10V
IC2
MCP1801T_3302I/OT
V_USB
R22
0R
GND GND
+
-
1
2
K5
K5 = External Power
Supply for Board
(remove R22)
Power Supply
LED-Indication
Vgestic
LST-C191KGKT
GND
GND
GND
GND
GND
GND
GND
GND
GND
R14 1K
D11
Power
RB5
RC2
RC1
RB7
RC7
RC3
RC4
RC5
R12 1K
LST-C191KGKT
D10
0
R9
1K
D9
1
LST-C191KGKT
LST-C191KGKT
LST-C191KGKT
LST-C191KGKT
LST-C191KGKT
LST-C191KGKT
LST-C191KGKT
2
D8
R8
1K
3
4
5
6
7
D2
D4
D5
D6
D7
R5
1K
R4
1K
R3
1K
R2
1K
R1
1K
n.p. = not populated
PIC18F14K50
IC3
