NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 271

• 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

Input/Output characteristics
Pad pullup and pulldown characteristics
Table 97 shows DC characteristics for inputs. Table 98 shows DC characteristics for
outputs.
Table 97: DC characteristics — inputs
Table 98: DC characteristics — outputs
Figure 28 illustrates the characteristics for a pad with internal pullup; Figure 29
illustrates the characteristics for a pad with internal pulldown. See "Pinout detail
tables and signal descriptions," beginning on page 11, for information about which
pins use pullup and pulldown resistors.
V
V
P
V
V
Sym
Sym
IH
IL
OL
OH
Input high voltage
Input low voltage
Parameter
Power consumption
Output low voltage
Output high voltage
Parameter
F
F
F
Outputs and bi-directional
Outputs and bi-directional
Condition
SYSCLK
SYSCLK
SYSCLK
2.0
V
Min
SS
– 0.3
= 55 MHz
= 46 MHz
= 36 MHz
w w w . d i g i e m b e d d e d . c o m
3.6
0.8
Max
Core
Core
Core
I/O
I/O
I/O
E l e c t r i c a l C h a r a c t e r i s t i c s
0
2.4
Min
V
V
Unit
508
425
333
0.4
V
Max
DD
192
316
161
264
126
207
mW
mW
mW
mW
mW
mW
mW
mW
mW
V
V
Unit
2 5 9