NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 333

• 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

general-purpose I/O
glueless connection
glueless interface
GPIO configuration
GPIO pins
GPIO timing
H
hardware initialization
hardware interrupts
I
idle condition
IEEE 802.3u standard
inputs, DC characteristics
internal clock operation
internal multiplexer
interrupt controller
interrupt controller registers
interrupt enable bits
Interrupt Enable Clear register
I -
pinout
signal descriptions
GEN module
MEM module
FIRQ lines
interrupt controller
IRQ lines
mode 0
mode 1
Interrupt Enable Clear
Interrupt Enable register
Interrupt Enable Set
Interrupt Status Enabled
Interrupt Status Raw
2 , 3
21
106 , 107
106 , 107
299
39
39
210
62
86
85
220
2
39
39 - 41
105
143
149
23
39
4
81
81
259
81
81
81
81
81
Interrupt Enable register
Interrupt Enable Set register
interrupt pending bits
interrupt request exception.
interrupt service routine (ISR)
interrupt sources
Interrupt Status Register Enabled
Interrupt Status Register Raw
interrupts
IRQ
IRQ exception
IRQ lines
J
JEDEC SDRAM standard
JTAG boundary scan testing
JTAG test
JTAG timing
L
Little Endian configuration
load mode command
DMA interrupts
Ethernet receive and transmit
PORTC
serial interrupts
timer 1
timer 2
watchdog timer interrupts
pinout
signal descriptions
80
exception.
39
80 - 83
interrupts
26
41
40
40
292 - 293
32 , 34 , 36
40 - 41
40
40
109
40
143
26
119
81
212 , 213
48
See
81
39 , 81
34
40
I n d e x - 5
IRQ
40 , 81