NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 243

• 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

Table 88: Serial Channel Control Register B bit definition
D11:09
D08:06
Bit
R/W
R/W
Access
TENC
RDEC
Mnemonic
0
0
Reset
Transmit encoding
Receive data encoding
The NS7520 can be programmed to encode and
decode the serial data stream using one of the eight
methods listed here. The transmit and receive coding
methods can be selected independently in the
transmitter and receiver.
Description
w w w . d i g i e m b e d d e d . c o m
NRZB (001). NRZB is NRZ inverted; that is, a 1
high level for the duration of the entire bit-time;
a 0 is represented by a low level during the entire
bit-time.
is represented by a low level during the entire
bit-time and a 0 is represented by a high level
during the bit-time.
transition at the beginning of the bit-time; the
level that appears during the previous cell is
reversed. A 0 is represented by the absence of a
transition at the beginning of the bit cell.
NRZ (000): Default. A 1 is represented by a
NRZI-Mark (010). A 1 is represented by a
S e r i a l C o n t r o l l e r M o d u l e
2 3 1