Digi NS7520 manual D e

Serial Channel 1, 2 FIFO registers	254
Serial Channel 1, 2 Receive Buffer Gap Timer	255
Serial Channel 1, 2 Receive Character Gap Timer	256
Serial Channel 1,2 Receive Match register	258
Serial Channel 1, 2 Receive Match MASK register	258
C h a p t e r 1 1 : E l e c t r i c a l C h a r a c t e r i s t i c s	261
DC characteristics	262
Recommended operating conditions	262
Input/Output characteristics	263
Pad pullup and pulldown characteristics	263
Absolute maximum ratings	265
AC characteristics	265
AC electrical specifications	265
Oscillator Characteristics	267
Timing Diagrams	269
Timing_Specifications	269
Reset_timing	270
SRAM timing	271
SDRAM timing	281
FP DRAM timing	289
Ethernet timing	296
JTAG timing	298
External DMA timing	300
Serial internal/external timing	303
GPIO timing	305
I n d e x

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