NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 197
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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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Maximum Frame register
Address: FF80 0414
Register bit assignment
Table 66: Maximum Frame register bit definition
D31:16
D15:00
Bits
15
31
30
14
N/A
R/W
Access
29
13
28
12
Reserved
MAXF
Mnemonic
27
11
26
10
N/A
’h
0600
Reset
25
9
24
8
Reserved
N/A
Maximum frame length
Represents a maximum receive frame of 1536 octets (resets
to
octets. A tagged frame adds four octets, for a total of 1522
octets.
Program this field if you want a shorter maximum length
restriction.
Note:
Description
MAXF
’h0600
w w w . d i g i e m b e d d e d . c o m
23
7
). An untagged maximum size Ethernet is 1518
If a proprietary header is allowed, adjust this
field accordingly. For example, if
4-byte headers are appended to frames, the
MAXF field should be set to 1526 octets. This
setting allows the maximum VLAN tagged
frame plus the 4-byte header.
22
6
21
5
20
4
19
3
E t h e r n e t M o d u l e
18
2
17
1
16
0
1 8 5
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