Information

Product Overview
© 2009 Microchip Technology Inc. DS51842A-page 13
1.3.4 Firmware Program Jumper Descriptions for MCP2120
Figure 1-5 shows the MCP2120 JMP6 program setting for the MCP2120/22 DM board.
FIGURE 1-6: MCP2120 JMP6 FIRMWARE OPERATION
BOARD EDGE
Jumper to specify operation of PIC18F65J50 firmware
JMP6
0 1 2 3 4 5 6 7
Baud Rate Program
9600 Baud
19200 Baud
38400 Baud
(Crystal clock source only)
Reserved
Reserved
28800 Baud
57600 Baud
115200 Baud
(Crystal clock source only)
Device:
MCP2120
Reserved
Reserved
Reserved
PIC streams data from table
PIC echos received Data
Data Passes through PIC, UART1 Baud
determined by JMP8, UART2 @ 115200
Data Passes through PIC, UART1 &
UART2 at same Baud Rate
PIC CLK pin turned off (use external crystal)
or PIC CLK @ 3.6864 MHz (based on RD7)
Clock Source
Crystal
(7.3728 MHz)
PIC