NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 146

• 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

1 3 4
D M A c h a n n e l r e g i s t e r s
The DMA Control register should be written to enable the DMA channel only after all
other registers and descriptors are valid.
FF90 0000
FF90 0010
FF90 0014
FF90 0020
FF90 0030
FF90 0034
FF90 0040
FF90 0050
FF90 0054
FF90 0060
FF90 0070
FF90 0074
FF90 0080
FF90 0090
FF90 0094
FF90 00A0
FF90 00B0
FF90 00B4
FF90 00C0
FF90 00D0
FF90 00D4
FF90 00E0
FF90 00F0
FF90 00F4
FF90 0100
FF90 0110
Address
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v G 9 / 2 0 0 7
DMA 1 “A” Buffer Descriptor Pointer register
DMA 1 “A” Control register
DMA 1 “A” Status register
DMA 1 “B” Buffer Descriptor Pointer register
DMA 1 “B” Control register
DMA 1 “B” Status register
DMA 1 “C” Buffer Descriptor Pointer register
DMA 1 “C” Control register
DMA 1 “C” Status register
DMA 1 “D” Buffer Descriptor Pointer register
DMA 1 “D” Control register
DMA 1 “D” Status register
DMA 2 Buffer Descriptor Pointer register
DMA 2 Control register
DMA 2 Status register
DMA 3 Buffer Descriptor Pointer register
DMA 3 Control register
DMA 3 Status register
DMA 4 Buffer Descriptor Pointer register
DMA 4 Control register
DMA 4 Status register
DMA 5 Buffer Descriptor Pointer register
DMA 5 Control register
DMA 5 Status register
DMA 6 Buffer Descriptor Pointer register
DMA 6 Control register
Description