NS7520B-1-C55 Digi International, NS7520B-1-C55 Datasheet - Page 25
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NS7520B-1-C55
Manufacturer Part Number
NS7520B-1-C55
Description
IC ARM MICROPROCESSOR 177BGA
Manufacturer
Digi International
Series
NET+ARM®r
Specifications of NS7520B-1-C55
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
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS7520B-1-C55
Manufacturer:
IR
Quantity:
4 954
Company:
Part Number:
NS7520B-1-C55
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-C55
Manufacturer:
NETARM
Quantity:
20 000
Serial controller
The NS7520 supports two independent universal asynchronous/synchronous receiver/transmitter
channels. Each channel supports these features:
Independent programmable bit-rate generator
UART and SPI (master) modes
High-speed data transfer:
–
–
32–byte TX FIFO
32–byte RX FIFO
Programmable data format: 5–8 data bits; odd, even, or no parity; 1, 2 stop bits
Programmable channel modes: normal, local loopback, remote loopback
Control signal support
Maskable interrupt conditions:
–
–
–
–
–
–
–
–
–
Clock/data encoding: NRZ, NRZB, NRZI, FM, Manchester
Multi-drop capable
x1 mode: 4Mbits/sec
x16 mode: 230 Kbits/sec
Receive break detection
Receive framing error
Receive parity error
Receive overrun error
Receive FIFO ready
Receive FIFO half-full
Transmit FIFO ready
Transmit FIFO half-empty
CTS, DSR, DCD, RI state change detection
w w w . d i g i . c o m
S e r i a l c o n t r o l l e r
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