NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 249
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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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Table 89: Serial Channel Status Register A bit definition
D15
D14
D13
D12
Bits
R/C
R/C
R/C
R/C
Access
RBRK
RFE
RPE
ROVER
Mnemonic
0
0
0
0
Reset
Receive break interrupt pending
Indicates that a UART receive break condition has
been found. Once set, the RBRK bit remains set until
acknowledged. RBRK is acknowledged by writing a
1 to this same bit position in this register.
The RBRK status condition can be programmed to
generate an interrupt by setting the related IE bit in
Serial Channel Control Register A.
Receive framing error interrupt pending
Indicates that a receive framing error condition has
been found. Once set, the RFE bit remains set until
acknowledged. RFE is acknowledged by writing a 1
to this same bit position in this register.
The RFE status condition can be programmed to
generate an interrupt by setting the related IE bit in
Serial Channel Control Register A.
Receive parity error interrupt pending
Indicates that a receive parity error condition has been
found. Once set, the RPE field remains set until
acknowledged. RPE is acknowledged by writing to
this same bit position in this register.
The RPE status condition can be programmed to
generate an interrupt by setting the related IE bit in
Serial Channel Control Register A.
Receive overrun interrupt pending
Indicates that a receive overrun error condition has
been found. An overrun condition indicates that the
FIFO was full while data needed to be written by the
receiver. When the FIFO is full, any new receive data
will be discarded; the contents of the FIFO before the
overrun condition remains the same.
Once set, the ROVER field remains set until
acknowledged. ROVER is acknowledged by writing a
1 to this same bit position in this register.
The ROVER status condition can be programmed to
generate an interrupt by setting the related IE bit in the
Serial Channel Control Register A.
Description
w w w . d i g i e m b e d d e d . c o m
S e r i a l C o n t r o l l e r M o d u l e
2 3 7
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