NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 206

• 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 Read Data register
1 9 4
E F E c o n f i g u r a t i o n
Address: FF80 0430
Register bit assignment
Table 74: MII Management Read Data register bit definition
D31:16
D15:00
Bits
15
31
30
14
N/A
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
MRDD
Mnemonic
27
11
26
10
N/A
N/A
Reset
25
9
MII read data
24
8
Reserved
N/A
MII read data
Provides read data following an MII management read
cycle.
An MII management read cycle is executed by loading the
PHY Address register, then setting the READ bit in the MII
Indicators register (see page 195) to 1. Read data is
available after the BUSY bit in the MII Indicators register
returns to 0.
Description
23
7
22
6
21
5
20
4
19
3
18
2
17
1
16
0