参数资料
型号: DM163008
厂商: Microchip Technology
文件页数: 15/54页
文件大小: 0K
描述: KIT MCP2120/2150 FOR IRDA COMM
标准包装: 1
Getting Started
1.3.4
UART Mode
Figure 1-4 shows the jumper which determines if the MCP2120 Developer ’s Board is
to be used in Hardware Baud operation, or Software Baud operation. When in Software
Baud operation, an additional signal is required, Request To Send (RTS), which is used
to drive the RESET pin low to cause a change of baud rate to occur.
FIGURE 1-4:
MCP2120 UART
R9
D3
D6 D2
U2
C11
R15
C18
C6
R3
J5
C10
U4
R4
D4
C15
CR1
C4
C7
JP4
( MCP2120 )
Open=Enabled
R5
R10 R11
Component
D1
C12
C13
C14
C8
R8
R7
R6
Transceiver
J6 J7
R12
D5
JP5 R1
C9
R14
Q1
R2
U3
C2
JP3:JP1
000 =F OSC /768
001 =F OSC /384
Integrated
Transceiver
U6
J2
C5
C1
U1
C3
010 =F OSC /192
011 =F OSC /128
100 =F OSC /64
111 =S/W Baud
Open=0
R13
C16
J4
MCP2120 Developer’s Board
02-01608 Rev. 1
J1
J3
+5V
GND
PC UART configuration for Hardware/Software Baud mode
Hardware Baud Selection
Software Baud Selection
? 2005 Microchip Technology Inc.
DS51246C-page 11
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