NS9360B-0-C177 Datasheet, PDF (3/68 Pages) List of Unclassifed Manufacturers – This table lists the key features of the NS7520

Contents
NS7520 Overview........................................................................... 1
Key Features................................................................................ 2
Operating frequency ...................................................................... 3
Packaging and pinout ..................................................................... 4
Pinout detail tables ....................................................................... 6
System Bus interface............................................................. 6
Chip select controller........................................................... 10
Ethernet interface MAC......................................................... 11
“No connect” pins ............................................................... 13
General Purpose I/O ............................................................ 13
System clock and reset ......................................................... 15
System mode (test support) ................................................... 16
JTAG test ......................................................................... 16
Power supply ..................................................................... 17
NS7520 modules........................................................................... 18
CPU module ...................................................................... 18
GEN module ...................................................................... 18
System (SYS) module............................................................ 18
BBus module...................................................................... 19
Memory module (MEM).......................................................... 19
DMA controller ................................................................... 19
Ethernet controller.............................................................. 19
Serial controller ................................................................. 21
NS7520 bootstrap initialization ......................................................... 22
JTAG ............................................................................... 22
ARM Debug........................................................................ 22
DC characteristics and other operating specifications.............................. 23
Absolute maximum ratings..................................................... 24
Pad pullup and pulldown characteristics .................................... 24
AC characteristics ........................................................................ 25
AC electrical specifications .................................................... 25
Oscillator Characteristics................................................................ 27
Timing Diagrams .......................................................................... 28
Timing_Specifications........................................................... 28
Reset_timing ..................................................................... 29
SRAM timing ...................................................................... 30
SDRAM timing .................................................................... 40
FP DRAM timing .................................................................. 48
Ethernet timing .................................................................. 55
JTAG timing ...................................................................... 57
External DMA timing ............................................................ 59
Serial internal/external timing................................................ 61
GPIO timing....................................................................... 63
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