NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 208

• 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

SMII Status register
Station Address registers
1 9 6
E F E c o n f i g u r a t i o n
Address: FF80 0438
Register bit assignment
Table 76: SMII Status register bit definition
The station address is used for address comparison of inbound receive packets. The
48-bit address value is held in three registers, each containing 16 bits.
D31:05
D04
D03
D02
D01
D00
Bits
15
31
30
14
N/A
R
R
R
R
R
Access
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v G 9 / 2 0 0 7
29
13
28
12
Reserved
CLASH
JABBER
LINK
DUPLEX
SPEED
Mnemonic
27
11
Reserved
26
10
N/A
N/A
N/A
N/A
N/A
N/A
Reset
25
9
24
8
Reserved
N/A
MAC-to-MAC with PHY
A 1 indicates that MAC-to-MAC mode is selected, but a
PHY is detected.
Jabber condition present
A 1 indicates that a Jabber condition is present.
Link OK
A 1 indicates LINK OK.
Full-duplex operation
1
0
100 Mbps
1
0
Description
Indicates full-duplex operation
Indicates half-duplex operation
Indicates 100 Mbps
Indicates 10 Mbps
23
7
22
6
21
5
CLASH
20
4
JAB-
BER
19
3
LINK
18
2
DUP-
LEX
17
1
SPEED
16
0