NS7520B-1-C55 Digi International, NS7520B-1-C55 Datasheet - Page 5
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NS7520B-1-C55
Manufacturer Part Number
NS7520B-1-C55
Description
IC ARM MICROPROCESSOR 177BGA
Manufacturer
Digi International
Series
NET+ARM®r
Specifications of NS7520B-1-C55
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
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS7520B-1-C55
Manufacturer:
IR
Quantity:
4 954
Company:
Part Number:
NS7520B-1-C55
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-C55
Manufacturer:
NETARM
Quantity:
20 000
Figure 1 shows the NS7520 modules. Dashed lines indicate shared pins.
Figure 1: NS7520 module overview
NS7520 Overview
Power
3.3V
1.5V
PLL
System
Clock
BBUS
Serial transceivers and other
devices
Serial-A
UART
SPI
M
D
A
16 GPIO
Serial-B
UART
SPI
D
M
A
JTAG Debug
ARM7TDMI
Debugger
Interface
4
level
interrupt
inputs
FIRQ
IRQ
2 timers
Ethernet
controller
802.3
compliant
M
D
A
MII
NS7520
Boot
config
w w w . d i g i . c o m
Address bus
Watchdog
timer
External
memory
controller
M
D
A
Memory
devices
Flash
SRAM
FP DRAM
SDRAM
Reset
N S 7 5 2 0 O v e r v i e w
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