NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 194

• 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

Back-to-Back Inter-Packet-Gap register
1 8 2
E F E c o n f i g u r a t i o n
Address: FF80 0408
Register bit assignment
Table 63: Back-to-Back Inter-Packet-Gap register bit definition
D31:07
D06:00
Bits
15
31
30
14
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
IPGT
Mnemonic
Reserved
27
11
26
10
N/A
N/A
Reset
25
9
24
8
Reserved
N/A
Back-to-back inter-packet-gap
A programmable field that represents the nibble time offset
of the minimum possible period between the end of any
transmitted packet to the beginning of the next packet.
Description
proper period in nibble times minus 3.
The recommended setting is
represents these minimum IPG values:
— In 100 Mbps: 0.96 μs
— In 10 Mbps: 9.6 μs
proper period in nibble times minus 6.
The recommended setting is
represents these minimum IPG values:
— In 100 Mbps: 0.96 μs
— In 10 Mbps: 9.6 μs
Full-duplex mode. The register value should be the
Half-duplex mode. The register value should be the
23
7
22
6
21
5
20
4
IPGT
19
3
’h15 (21d)
’h12 (18d)
18
2
, which
, which
17
1
16
0