NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 195
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
- Current page: 195 of 338
- Download datasheet (2Mb)
Non-Back-to-Back Inter-Packet-Gap register
Address: FF80 040C
Register bit assignment
Table 64: Non-Back-to-Back Inter-Packet-Gap register bit definition
D31:15
D14:08
D07
D06:00
Bits
Rsvd
15
31
30
14
N/A
R/W
N/A
R/W
Access
29
13
28
12
Reserved
IPGR1
Reserved
IPGR2
Mnemonic
IPGR1
27
11
26
10
N/A
N/A
N/A
N/A
Reset
25
9
24
8
Reserved
N/A
Non back-to-back inter-packet-gap — part 1
A programmable field that represents the optional
carrierSense window (referenced in IEEE 802.3 “Carrier
Deference”).
If carrier is found during IPGR1 timing, the MAC defers to
the carrier. If carrier is found after IPGR1 times out, the
MAC continues timing IPGR2. The transmitter causes a
collision, activating the random back off fairness algorithm
(ensuring fair access to the medium).
The range of values for IPGR1 is
The default value is
N/A
Non-back-to-back inter-packet-gap—part 2
A programmable field that represents the non-back-to-back
inter-packet-gap.
The default setting for IPGR2 is
represents these minimum IPG values:
Description
w w w . d i g i e m b e d d e d . c o m
Rsvd
In 100 Mbps: 0.96 μs
In 10 Mbps: 9.6 μs
23
7
22
6
21
5
’hC (12d)
20
4
.
IPGR2
19
’h12 (18d)
3
’h0—IPGR2
E t h e r n e t M o d u l e
18
2
, which
.
17
1
16
0
1 8 3
Related parts for NS7520B-1-I46
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
IC ARM MICROPROCESSOR 177BGA
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
IC ARM MICROPROCESSOR 177BGA
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
IC ARM MICROPROCESSOR 177BGA
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
KIT JUMP START ME 9210 NET+OS 7
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
KIT JUMP START ME 9210 LINUX
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
KIT INTEGRATION ME MOD S MODELS
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
KIT DEV SP ADPT NO RAVEN
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
KIT DEV SP ADAPTER
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
DIGI CONNECT 4MB FLASH 8MB RAM
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
12VDC EXT TEMP PWR SUP/NO PLUG
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
IC ARM MICROPROCESSOR 177BGA
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
DIGI CONNECT 4MB FLASH 8MB RAM
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
ME 8MB SDRAM 2MB FLASH SINGLE
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
ME 8MB SDRAM 2MB FLASH SINGLE
Manufacturer:
Digi International
Datasheet:
Part Number:
Description:
MODULE 9P 8MB SDRAM 4MB FLASH
Manufacturer:
Digi International/Maxstream
Datasheet: