Getting Started
2.3.2.2
Selecting Baud Rate
Figure 2.9 shows the two Baud Rate Select jumpers (JP2:JP1) and the baud
rate. Table 2.2 shows the baud rates for some crystal frequencies.
Figure 2.9: MCP2150 Baud Rate
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
These three jumpers select the Baud Rate
JP2:JP1
JP2:JP1
9600
19200
57600
115200
Table: 2.2 Serial Baud Rate Selection vs. Frequency
BAUD1:BAUD0
00
01
10
11
Baud Rate @ 11.0592 MHz
9600
19200
57600
115200
Bit Rate
F
OSC
/ 1152
F
OSC
/ 576
F
OSC
/ 192
F
OSC
/ 96
DB9
+5VGND
錚?/div>
2001 Microchip Technology Inc.
DS51246A-page 15
prev
next