NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 205

• 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 Write Data register
Address: FF80 042C
Register bit assignment
Table 73: MII Management Write Data register bit definition
D31:16
D15:00
Bits
15
31
30
14
N/A
R/W
Access
29
13
28
12
Reserved
MWTD
Mnemonic
27
11
26
10
N/A
N/A
Reset
25
9
MII w rite data
24
8
Reserved
N/A
MII write data
When this register is written, an MII management write
cycle is performed using the 16-bit data defined in the PHY
Address register by the preconfigured PHY device and
PHY register addresses. The write operation is completed
when the BUSY bit in the MII Indicators register (see
page 195) returns to 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
17
1
16
0
1 9 3