NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 332

• 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

I n d e x -
4
Ethernet receive and transmit
Ethernet Receive Status register
Ethernet receiver considerations
Ethernet timing
Ethernet Transmit Status register
Ethernet transmitter considerations
exception entry/exit summary
exceptions
exiting an exception
external CAM filtering
external DMA configuration
external DMA timing
external multiplexer
external oscillator mode hardware
external oscillator vs. internal PLL
external peripheral DMA support
external reset circuit source
F
fast interrupt request exception.
abort
data abort
definition
detail
FIRQ
IRQ
prefetch abort
priorities
reset
summary
SWI instruction
SWI interrupt
undefined
interrupts
configuration
circuit
exception.
32 , 36
32 , 36
32 , 34
32 , 35
34 - 36
32
32
31
32 , 34
49
32 , 35
290 - 291
35
40
32 , 35
32
294 - 296
37
108
50
153
147
59
38
See
173
146 - 148
146
168
145
FIRQ
FIFO management
FIFO overrun condition
FIRQ
FIRQ exception
FIRQ lines
fly-by mode
fly-by transfers
FP DRAM
FP DRAM controller
FP DRAM timing
G
GEN module
receive FIFO interface
SPI
transmit FIFO interface
DMA buffer descriptor
burst cycles
single cycle read/write
configuration
hardware initialization
Interrupt Enable Clear
Interrupt Enable register
Interrupt Enable Set
Interrupt Status Enabled
Interrupt Status Raw
interrupts
PORTA configuration
PORTA Configuration register
PORTC configuration
PORTC Configuration register
Software Service register
System Control register
System Status register
Timer Control registers
Timer Status register
80
212
86
39
61 - 83
80 - 83
32 , 36
129
111
283 - 289
62
109 - 111
146
81
81
75
78
73
131
68
213
81
62
110
70
212
63
81
81
69
73
77