NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 330

• 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

I n d e x -
2
chip select address range
Chip Select Base Address register
chip select controller
Chip Select Option register
Chip Select Option Register A
Chip Select Option Register B
circular buffer
CLKS field settings
Collision Window/Collision Retry
configuration
conventions, documentation
CPU
D
DACK_ signal
data abort exception
DC characteristics
pinout
signal descriptions
BSIZE
DMA
EFE
external DMA
GEN module
MEM module
PORTA
PORTC
serial module
x16 SDRAM
x32 SDRAM
x8 SDRAM
address map
core
performance
working with
register
156
134
2
118
16
75
78
146 , 147
115
127 , 131
113
112
184
62
87
45
30
29 - 41
147
221
258 - 261
190
32 , 35
17
88
88
xi
97
101
88 , 92
demand-paged virtual memory system
DMA buffer descriptor
DMA channel assignments
DMA Control register
DMA controller
DMA controller arbiter
DMA interrupts
DMA module
DMA Status/Interrupt Enable register
DMUXS bit
documentation
DONE_ signal
DRAM address multiplexing
DRAM refresh
DREQ_ signal
absolute maximum ratings
input
outputs
recommended operating
buffer descriptor
Buffer Descriptor Pointer register
channel assignments
configuration
controller
controller reset
DMA Control register
Ethernet receiver considerations
Ethernet transmitter
external configuration
external peripheral support
fly-by transfers
memory-to-memory operation
Status/Interrupt Enable register
conventions
external multiplexer
internal multiplexer
259
conditions
considerations
109
259
127 - 148
146 , 147
146 , 147
109
128
2 , 128
40
xi
134
129
148
137
131 - 133
258
131 - 133
128
105
133
108
137
133
145
147
105 - 109
261
146 - 148
130
143
146
143
137
36