CM-BF548 Datasheet, PDF (12/26 Pages) List of Unclassifed Manufacturers – Bluetechnix Mechatronische Systeme GmbH

1001
1010
1011
1100
1101
1110
1111
Reserved
Boot from (DDR) SDRAM
Boot from OTP memory
Reserved
Boot from 8- or 16-bit NAND flash memory via NFC
Boot from 16-Bit Host DMA
Boot from 8-Bit Host DMA
Table 2-1: Available Boot Modes for the CM-BF548
By default the Boot Mode is set to 0000 (BMODE0 = LOW, BMODE1 = LOW; BMODE2 = LOW, BMODE3 =
LOW). Push BMODE PINS to high in order to change the boot mode.
2.3 Memory Map
2.3.1 Core Module Memory
Memory Type
FLASH
DDR SDRAM
Start Address
0x20000000
0x00000000
End Address
0x207FFFFF
0x03FFFFFF
Size
8MB
64MB
Table 2-2: Memory Map
Comment
PF48F2000P0XBQ0
MT46V32M16BN‐6IT
2.3.2 Externally Addressable Memory Space (on connector)
The core module has 3 banks of the Asynchronous Memory interface of the Blackfin processor available,
this can be addressed via the following addresses.
Async
Bank
1
2
3
Memory
Start Address
0x24000000
0x28000000
0x2C000000
End Address
Size
0x2400FFFF
64K
0x2800FFFF
64K
0x2C00FFFF
64K
Comment
Use nAMS 1
Use nAMS 2
Use nAMS 3
Table 2-3: External Asynchronous Memory Mapping
These memory banks can be used to access various memory mapped devices or peripherals.
2.4 Electrical Specification
2.4.1 Supply Voltage
 3.3V DC +/-10%
2.4.2 Supply Voltage Ripple
 100mV peak to peak 0-20 MHz
2.4.3 Oscillator Frequency
 25MHz
2.4.4 Supply Current
 Maximum supply current: ca. 450mA
 Operating conditions:
Blackfin CM-BF548 Hardware User Manual
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