NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 203

• Manufacturer Part Number: NS7520B-1-C36
• Description: IC ARM MICROPROCESSOR 177BGA
• Manufacturer: Digi International
• Series: NET+ARM®r

Specifications of NS7520B-1-C36

• 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

MII Management Command register
Address: FF80 0424
Register bit assignment
Table 71: MII Management Command register bit definition
D31:02
D01
D00
Bits
15
31
30
14
N/A
R/W
R/W
Access
29
13
28
12
Reserved
SCAN
READ
Mnemonic
27
11
26
10
N/A
0
0
Reset
25
9
Reserved
24
8
Reserved
N/A
Automatically scan for read data
When this bit is set to 1, the MII management module
performs read cycles continuously. This can be useful for
monitoring link fail, for example.
Single scan for read data
When this bit is set to 1, the MII management module
performs a single read cycle. The read data is returned to
the MII Read Data register (see page 194) after the BUSY
bit in the MII Indicators register (see page 195) has
returned a value of 0.
Description
w w w . d i g i e m b e d d e d . c o m
23
7
22
6
21
5
20
4
19
3
E t h e r n e t M o d u l e
18
2
SPRE
17
1
READ
16
0
1 9 1