Appendix A – Configuration Straps
5-2
AT91EB55 Evaluation Board User Guide
1709C–ATARM–28-Apr-05
CB4
Temperature Sensor Enabling
Closed
(1)
The temperature sensor device is connected to the ADC channel 1 (AD1)
input.
Open
The temperature sensor device is not connected to the ADC channel 1 (AD1)
input. This authorizes users to connect the corresponding ADC channel to their
own resources via the I/O expansion connector.
CB5 Analog
Converter
Peripherals Loopback
Closed
(1)
DAC Channel 0 is connected to ADC Channel 4 for test purposes.
Open
DAC Channel 0 is not connected to ADC Channel 4. This authorizes users to
connect the corresponding Analog Channels to their own resources via the I/O
expansion connector.
CB6
Analog Converters Peripherals Loopback
Closed
(1)
DAC Channel 1 is connected to ADC Channel 0 for test purposes.
Open
DAC Channel 1 is not connected to ADC Channel 0. This authorizes users to
connect the corresponding Analog Channels to their own resources via the I/O
expansion connector.
CB9
On-board Boot Chip Select
Closed
(1)
NCS0 select signal is connected to the Flash memory.
Open
NCS0 select signal is not connected to the Flash memory. This authorizes
users to connect the corresponding select signal to their own resources via the
EBI expansion connector.
CB10
Flash Reset
Closed
(1)
The on-board reset signal is connected to the Flash RESET input.
Open
The on-board reset signal is not connected to the Flash RESET input.
CB11
Boot Mode Strap Configuration
Open
(1)
The BMS MCU input pin is set for the microcontroller to boot on an external
16-bit memory at reset.
Closed
The BMS MCU input pin is set for the microcontroller to boot on an external
8-bit memory at reset.
