NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 25

• 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 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:
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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:
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–
–
–
–
–
–
–
–
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
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