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MCP2120 데이터시트(PDF) 20 Page - Microchip Technology

부품명 MCP2120
상세설명  DEVELOPER?셎 KIT USER?셎 GUIDE
PDF  64 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP2120 데이터시트(HTML) 20 Page - Microchip Technology

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MCP2120/MCP2150 USER’S GUIDE
DS51246A-page 16
 2001 Microchip Technology Inc.
2.3.2.3
Disabling the MCP2150
Figure 2.10 shows the jumper (JP3) which will enable or disable the
MCP2150 device. When the MCP2150 is disabled, the device will consume
less current.
Figure 2.10: MCP2150 Enable/Disable
In most cases, this jumper will be open. It may be closed to test system
operation when the MCP2150 is disabled. The Host Controller board may
control the operation of the MCP2150 by connecting a signal to the JP3
header as shown in Figure 2.11.
Figure 2.11: Host Controller Disabling the MCP2150
MCP2150 Enable/Disable
Disabled
Enabled
MCP2150 Dev Board
02-01609 Rev. 1
J1
J4
+5VGND
J3
J2
R11
C16
Integrated
Transceiver
R13
JP2 JP1 BAUD
0
0
1
1
0
1
0
1
9600
19200
57600
115200
Component
Transceiver
J8
J7
U5
J6
J5
BT1
C17
D4
C15
CR1
C16 C12
U2
Y1
C1
C4 C2
C3
U1
C10
D7
CD
R2 JP3
(MCP2150)
Open=Enabled
R4
R3
JP2 JP1
C8
C7
D3
R7
Power
C5
U4
R5
C11
R9
R8 D2D5
R1
U3
R6 C13
R14
R10
D1
D6
U6
JP4
MCP2150
EN
I/O Pin
MCP2150 Developer’s Board
Host Controller
(High or Hi Impedance = Enabled
Low = Disabled)



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