NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 204

• 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

MII Management Address register
1 9 2
E F E c o n f i g u r a t i o n
Address: FF80 0428
Register bit assignment
Table 72: MII Management Address register bit definition
D31:13
D12:08
D07:05
D04:00
Bits
15
31
Reserved
30
14
N/A
R/W
N/A
R/W
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
DADR
Reserved
RADR
Mnemonic
27
11
DADR
26
10
N/A
0
N/A
0
Reset
25
9
24
8
Reserved
N/A
MII PHY device address
Represents the 5-bit PHY device address field for
management cycles. Up to 31 different PHY devices can be
addressed; address 0 is reserved.
N/A
MII PHY register address
Represents the 5-bit PHY register address field for
management cycles. Up to 32 registers within a single PHY
device can be addressed.
Description
23
7
Reserved
22
6
21
5
20
4
19
3
RADR
18
2
17
1
16
0