NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 235

• 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

Serial Channel 1, 2 Control Register A
Serial Channel registers
All control bits are active high unless followed by an underscore (_); the underscore
indicates active low.
Address: FFD0 0000 / 40
Register bit assignment
Table 85: Serial Channel Control Register A
D31
D30
Bits
CE
15
31
BRK
30
14
R/W
R/W
Access
STICK
29
13
P
EPS
28
12
IE
CE
BRK
Mnemonic
27
PE
11
STOP
26
10
25
9
0
0
Reset
WLS
DMA
ERX
24
8
Channel enable
0
1
The CE field cannot be set until the MODE field is
configured in Serial Channel Control
Register B.
Send break
Forces a break condition in UART mode. While BRK
is set to 1, the UART transmitter outputs a logic 0 or a
space condition, on the TXD output signal.
Description
w w w . d i g i e m b e d d e d . c o m
CTS
23
TX
7
Resets the port and the data FIFOs (disables the
serial channel)
Enables serial channel operation
RTS
RX
22
IE
6
21
RL
5
S e r i a l C o n t r o l l e r M o d u l e
20
LL
4
OUT1/OUT2
19
3
IE
18
2
DTR
17
1
DMA
RTS
ETX
16
0
2 2 3