CM-BF548 Datasheet, PDF (11/26 Pages) List of Unclassifed Manufacturers – Bluetechnix Mechatronische Systeme GmbH

2 Specification
ATTENTION: Please check the orientation of the Core Module. Insertion in the wrong orientation
will cause damage!
2.1 Functional Specification
Figure 2-1: CM-BF548 Detailed Block Diagram
Figure 2-1 shows a detailed block diagram of the CM-BF548 module. Beside the DDR SD-RAM control
pins the CM-BF548 has all other pins of the Blackfin processor at its two main 100 pin connectors.
Dynamic voltage control allows reducing power consumption to a minimum adjusting the core voltage
and the clock frequency dynamically in accordance to the required processing power. A low voltage
reset circuit guarantees a power on reset and resets the system when the input voltage drops below
2.93V.
2.2 Boot Mode
BMODE3--0
0000
0001
0010
0011
0100
0101
0110
0111
1000
Description
Idle--no boot
Boot from 8- or 16-bit external flash memory
Boot from 16-bit asynchronous FIFO
Boot from serial SPI memory (EEPROM or flash)
Boot from SPI host device
Boot from serial TWI memory (EEPROM/flash)
Boot from TWI host
Boot from UART host
Reserved
Blackfin CM-BF548 Hardware User Manual
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