Hardware Detail
A.6 Board Layout
Figure A.3 shows the component layout (silkscreen) for the MCP2120 Board.
Figure A.3: MCP2120 Developer鈥檚 Board Component Layout
R9
D3
D6 D2
C17
C11
U2
C18
C6
R3
Y1
J5
CR1
D4
C15
C4
C7
C12
C13
C14
JP5 R1
Q1
U3
C9
C5
C1
R14
R2
C2
JP3:JP1
000=F
OSC
/768
001=F
OSC
/384
010=F
OSC
/192
011=F
OSC
/128
100=F
OSC
/64
111=S/W
Baud
Open=0
MODE
RTS
Integrated
Transceiver
R13
C16
U6
C8
C10
R4
JP4
R10
R5
R11
D1
D5
R12
U4
R15
U5
(MCP2120)
Open=Enabled
R8
R7
R6
Component
Transceiver
J7
J6
C3
DB9
RX
J2
MCP2120
Developer鈥檚 Board
02-01608 Rev. 1
TX
J4
J1
Header
U1
J3
+5V
GND
Figure A.4 shows the component layout (silkscreen) for the MCP2150 Board.
Figure A.4: MCP2150 Developer鈥檚 Board Component Layout
BT1
C8
U5
C17
D4
C14
CR1
C15
C16
C12
Y1
U2
C7
R2 JP3
Power
D3
R7
C5
R8
R9
C11
U4
R5 R6 C13
C6
U6
JP2 JP1
0 0
0 1
1 0
1 1
Integrated
BAUD
Transceiver
9600
19200 R11 R13 C16
57600
115200
D2D5
C9
U3
D1
R14
R10
D6
R1
J6
(MCP2150)
Open=Enabled Component
Transceiver
J7 J8
R4 R3
JP2 JP1
C1
C3
C10
C4 C2
CD
U1
D7
J5
MCP2150
Dev Board
02-01609 Rev. 1
J4
J3
J2
Header
TX
RX
CTS
RTS
DTR
DSR
CD
RI
GND
+5
J1
DB9
+5VGND
錚?/div>
2001 Microchip Technology Inc.
DS51246A-page 49
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