參數(shù)資料
型號: MCP2150
廠商: Microchip Technology Inc.
英文描述: DEVELOPER’S KIT USER’S GUIDE
中文描述: 開發(fā)人員包用戶指南
文件頁數(shù): 18/64頁
文件大?。?/td> 2573K
代理商: MCP2150
MCP2120/MCP2150 USER’S GUIDE
DS51246A-page 14
2001 Microchip Technology Inc.
2.3.2.1
Selecting UART Source and Optical Transceiver
Interface
Figure 2.8 shows two sets of jumpers used to route signals to and from the
MCP2150.
Jumpers J2, J3 and J4 are used to determine the source of the signals used
by the UART interface. When the header has the pins closest to the “DB9”
label jumpered to the center pin, the DB9 is the source of the UART signal.
When the header has the pins closest to the “Header” label jumpered to the
center pin, the four-pin header is the source of the UART signal.
Jumpers J7 and J8 are used to determine the source and destination of the
IrDA signals used by the interface between the MCP2150 and Optical
Transceiver. When the header has the pins closest to the “Integrated
Transceiver” label jumpered to the center pin, the integrated transceiver is
used. When the header has the pins closest to the “Component Transceiver”
label jumpered to the center pin, the component transceiver logic is used.
Figure 2.8: MCP2150 Selecting Sources
These three jumpers select the
source of the Host signals.
J2, J3 and J4
Header is source.
DB9 is source.
These two jumpers select the
optical transceiver logic. Both jumpers
should connect the same pin positions
Component Transceiver
Integrated Transceiver
J7 and J8
MCP2150 Dev Board
02-01609 Rev. 1
D
J1
J4
J3
J2
H
T
R
R
+5VGND
C
D
D
C
R
G
+
R11
C16
Integrated
Transceiver
R13
JP2 JP1 BAUD
0
0
1
1
1
0
1
0
9600
19200
57600
115200
Component
Transceiver
J7
J8
U5
J6
J5
BT1
C17
D4
C
C15
CR1
C16
C12
U2
Y1
C1
C4 C2
C3
C10
U1
D7
CD
R2
JP3
O(MCP2150)
R4
R3
JP2 JP1
C8
C7
D3
R7
Power
C5
U4
R5
C11
R9
R8D2D5
R1
C
U3
R6
C13
R14
R10
D1
D6
U6
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