NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 244
NS7520B-1-I46
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS7520B-1-I46
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-I46
Manufacturer:
NETARM
Quantity:
20 000
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S e r i a l C h a n n e l r e g i s t e r s
Table 88: Serial Channel Control Register B bit definition
TENC/RDEC continued
D05:00
Bit
N/A
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
Reserved
Mnemonic
N/A
Reset
N/A
Description
See Figure 27, "Data coding example," on page 233
for an illustration of the transmit and receive coding
methods.
transition at the beginning of the
bit-time; the level that appears during the
previous cell us reversed. A 1 is represented by
the absence of a transition at the beginning of
the bit cell.
the beginning of the bit-time followed by
another transition in the middle of the bit-time.
A 0 is represented by a transition only at the
beginning of the bit-time.
the beginning of the bit-time followed by
another transition in the middle of the bit-time.
A 0 is represented by a transition only at the
beginning of the bit-time.
level during the first half of the bit-time and a
low level during the second half of the bit-time.
A 0 is represented by a low level during the first
half of the bit-time and a high level during the
second half of the bit-time.
represented by a transition at the center of the
bit-time, with the opposite polarity from the
transition at the center of the preceding bit-time.
A 0 is represented by a transition at the center of
the bit-time with the same polarity as the
transition at the center of the preceding bit-time.
In both cases, there are transitions at the
beginning of the bit-time to set up the level
required to make the correct center transition.
NRZI-Space (011). A 0 is represented by a
FM0 (100). A 0 is represented by a transition at
FM1 (101). A 1 is represented by a transition at
Manchester (110). A 1 is represented by a high
Differential Manchester (111). A 1 is
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