NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 37

• 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

System mode (test support)
This figure shows the timing and specification for RESET_ rise/fall times:
PLLTST_, BISTEN_, and SCANEN_ primary inputs control different test modes for both
functional and manufacturing test operations. See Chapter 5, "SYS Module," for more
information.
Table 12: System mode and system reset pinout
PLLTST_
BISTEN_
SCANEN_
Symbol
tF max = 18ns
Vin = 2.0V to 0.8V
tF
N15
M15
L13
Pin
I
I
I
I/O
OD
w w w . d i g i e m b e d d e d . c o m
Encoded with BISTEN_ and SCANEN_
Add an external pullup to 3.3V or pulldown to
GND.
Encoded with PLLTST_ and SCANEN_
Add an external pullup to 3.3V or pulldown to
GND.
Encoded with BISTEN_ and PLLTST_
Add an external pullup to 3.3V or pulldown to
GND.
Description
tR max = 18ns
Vin = 0.8V to 2.0V
tR
P i n o u t a n d P a c k a g i n g
2 5