NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 100
NS7520B-1-C36
Manufacturer Part Number
NS7520B-1-C36
Description
IC ARM MICROPROCESSOR 177BGA
Manufacturer
Digi International
Series
NET+ARM®r
Specifications of NS7520B-1-C36
Applications
Network Processor
Core Processor
ARM7
Program Memory Type
External Program Memory
Controller Series
-
Ram Size
External
Interface
EBI/EMI, Ethernet, DMA, SPI, UART
Number Of I /o
16
Voltage - Supply
1.4 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
177-LFBGA
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Company:
Part Number:
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Part Number:
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Setting the chip select address range
8 8
M E M m o d u l e c o n f i g u r a t i o n
Table 35: Memory controller register map
Each chip select should be configured to respond to a different portion of the
memory map. Do this by setting the appropriate fields in the Chip Select Base Address
and Chip Select Option registers.
The BASE field in the Chip Select Base Address register defines the starting address of
the chip select address space. The MASK field identifies those address bits, from
A[31:12], that are used in the address decoding function.
FFC0 0000
FFC0 0010
FFC0 0014
FFC0 0018
FFC0 0020
FFC0 0024
FFC0 0028
FFC0 0030
FFC0 0034
FFC0 0038
FFC0 0040
FFC0 0044
FFC0 0048
FFC0 0050
FFC0 0054
FFC0 0058
Address
A 1 in the MASK field indicates that the associated address bit is to be used
in the decoding process.
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v G 9 / 2 0 0 7
MMCR
BAR0
OR0A
OR0B
BAR1
OR1A
OR1B
BAR2
OR2A
OR2B
BAR3
OR3A
OR3B
BAR4
OR4A
OR4B
Mnemonic
Memory Module Configuration register
Chip Select 0 Base Address register
Chip Select 0 Option Register A
Chip Select 0 Option Register B
Chip Select 1 Base Address register
Chip Select 1 Option Register A
Chip Select 1 Option Register B
Chip Select 2 Base Address register
Chip Select 2 Option Register A
Chip Select 2 Option Register B
Chip Select 3 Base Address register
Chip Select 3 Option Register A
Chip Select 3 Option Register B
Chip Select 4 Base Address register
Chip Select 4 Option Register A
Chip Select 4 Option Register B
Register
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