Keil™, An ARM® Company

MCBSTR7 User's Guide

Configuring the MCBSTR7

The jumpers used to configure the MCBSTR7 board are Boot Config Jumpers and Port Connection Jumpers as follows:

Boot Config Jumpers

BOOT_ENBOOT_1BOOT_0Memory MappingCPU Program Execution
DISanyanyFlash mapped at 0.User code from on-chip Flash ROM.
EN1DIS1DIS1Flash mapped at 0.User code from on-chip Flash ROM.
ENDISENSystem Memory mapped at 0.Factory installed boot loader from System Memory (Reserved Mode).
ENENDISRAM mapped at 0.User code from on-chip RAM (useful during development).
ENENENEXTMEM mapped at 0.System executes code from external memory.

1 Factory setting of MCBSTR7: BOOT_EN=EN, BOOT_0=DIS, BOOT_1=DIS; user code execution from on-chip Flash ROM.

Port Connection Jumpers

JumperDefaultDescription
X27 / ADCONConnect potentiometer to P1.0
X28 / TXAONConnect RS232 (A) TX to P0.9
X29 / TXBONConnect RS232 (B) TX to P0.11
X30 / Term.ONApply termination resistor to CAN BUS
X31 / USB_CLKONConnect 48MHz USB clock to P1.10
X32 / RXONConnect CAN RX to P1.11
X33 / Wake-UpONConnect Wake-Up push button to P0.15
X34 / RXAONConnect RS232 (A) RX to P0.8
X35 / RXBONConnect RS232 (B) RX to P0.10
X36 / TXONConnect CAN TX to P1.12
X37 / SHDNONConnect CAN SHDN to P1.13