NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 65

• 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

Figure 5: PLL mode hardware configuration
Move jumpers here for
boundary scan mode
only.
Place jumpers here for
normal/debug mode.
MAX811 or other
power-on reset
circuit
The NS7520 address
bus has internal
pullups.
2.7K pulldown
resistors can be
connected to the
address lines to
configure the PLL
settings at bootup.
1.5V
3.3V
3.3V
3.3V
10 K
10 K
10 K
w w w . d i g i e m b e d d e d . c o m
A0
A1
A2
A3
A4
A5
A6
A7
A8
RESET* (A10)
XTALA1 (K14)
XTALA2 (K12)
PLLVDD (L15)
PLLVSS (L12)
PLLTST (N15)
BISTEN (M15)
SCANEN (L13)
ND
FS
IS
BCLK
FXTAL
S Y S M o d u l e
5 3