NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 41

• Manufacturer Part Number: NS7520B-1-I46
• Description: IC ARM MICROPROCESSOR 177BGA
• Manufacturer: Digi International
• Series: NET+ARM®r

Specifications of NS7520B-1-I46

• 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

T
maintaining low power consumption and small size. This chapter describes the ARM
Thumb concept and provides an overview of ARM exceptions and hardware interrupts.
Working with the CPU
C
he CPU uses an ARM7TDMI core processor, which provides high performance while
H
A
P
T
E
R
3
w w w . d i g i e m b e d d e d . c o m
W o r k i n g w i t h t h e C P U
2 9