NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 337
NS7520B-1-I46
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS7520B-1-I46
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-I46
Manufacturer:
NETARM
Quantity:
20 000
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SRAM timing
static memory controller.
Station Address Filter register
station address logic.
Station Address registers
StatusOrIndex field
swap instruction
SWI exception
SWI instruction
SYS module
system bus interface
system clock and reset
system clock generation
System Control register
system mode (test support)
System Status register
T
test modes
Test register
Thumb architecture
timeout interval equations
timer 1 interrupts
timer 2 interrupts
I -
ARM debug
NS7520 bootstrap initialization
PLL use
reset circuit sources
system clock generation
test modes
pinout
signal descriptions
pinout
signal descriptions
pinout
controller.
12
24
25
48
48
47 - 60
267 - 276
187
35
48
48
32
35
40
40
169 , 173
30
See
15
24
68
63
59
49
196
SAL.
See
70
49
SRAM
199
155
59
Timer Control registers
Timer Status register
timing diagrams
timing specifications
transmit FIFO
transmit FIFO interface
U
UART
undefined exception
universal asynchronous/synchronous
using the external oscillator
using the PLL circuit
V
vector table, exception
W
W bit
watchdog reset circuit source
watchdog timer interrupts
secondary address
and CTS handshaking signal
and RTS handshaking signal
framing protocols
synchronous timing mode
131 , 132
210 - 211
receiver/transmitter.
151
265 - 299
51
32 , 34
265
73
210
167
70
212
31 , 33
40
50
See
211
59
211
211
I n d e x - 9
UART.
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