TOWER SYSTEM Quick Start Guide for TWR-MCF5225X
Jumper Option Setting Description
J11 UART Hardware Flow
Control Connections
1-2 Connect CTS0 to the RS232 transciever for flow control
3-4 Connect RTS0 to the RS232 transciever for flow control
J12 UARTTXD0Routing
Selection
1-2 ConnectTXD0totheRS232transceiver
2-3 ConnectTXD0totheOSBDMdebuggerinterfacecircuit
J13 UARTRXD0Routing
Selection
1-2 ConnectRXD0totheRS232transceiver
2-3 ConnectRXD0totheOSBDMdebuggerinterfacecircuit
J14 BDM/JTAGEnable
Selection
1-2 BDMmode
2-3 JTAGmode
J15 TCLK/PSTCLKRouting
Selection
1-2 ConnectTCLK/PSTCLKtoPSTCLKforBDMmode
2-3 ConnectTCLK/PSTCLKtoTCLKforJTAGmode
J16 TCLK/PSTCLK/CLKOUT
Routing Selection
1-2 ConnectTCLK/PSTCLK/CLKOUTtoTCLK/PSTCLKfor
BDM/JTAGmode
2-3 ConnectTCLK/PSTCLK/CLKOUTtoCLKOUT0onthe
elevator connector
J20 OSBDMBootloader
Selection
ON OSBDMbootloadermode(OSBDM
firmware reprogramming)
OFF Debuggermode
J21 RESET Select ON SuspendMCUinresetstate(holdRSTINlow)
OFF ReleaseRSTINsoitcanbecontrolledbySW4to
initiate reset sequences
TOWER SYSTEM Quick Start Guide for TWR-MCF5225X