
AT91EB42 Evaluation Board User Guide
| EBI_[0..42] | 
 | EBI_[0..42] | |
| EBI MEMORIES | IOB_32 | IOB_[0..57] | |
| A20 | |||
| 
 | 
 | ||
| PB22 | IOB_52 | 
 | |
| 
 | 
 | ||
| memories connected on EBI | 
 | 
 | 
EBI_[0..42]
IOB_[0..57]
IOB_16
IOB_15
IOB_14
IOB_13
IOB_12
IOB_11
IOB_3
IOB_49
IOB_50
IOB_46
IOB_47
EBI_41NRST
IOB_[54..57]  VIN[1..4]
 VIN[1..4]
NPCSA2
NPCSA1 NPCSA0 MOSIA
MISOA SPCKA IRQ3
PB19 PB20 PB16 PB17
SERIAL MEMORIES
Figure6 -2 .  SERIAL MEMORIES AT91EB42Blocks Overview
MICROCONTROLLER
IOB_[0..53]
EBI_[0..42]
micro / Rst / Wchdog / JTAG co.
| IOB_[0..57] | 
| IOB_[0..53] | 
| EBI_[0..42] | 
INPUT / OUTPUT ON BOARD
IOB_[0..57]
IOB_51 PB21
 PB21
IOB_[36..45]  PB[6..15]
 PB[6..15]
IOB_[6..7]  PA[6..7]
 PA[6..7]
IOB_[9..10]  PA[9..10]
 PA[9..10]
IOB_0 PA0
 PA0
Serial Connectors / P.B. / LED
SUPPLY and RTC SAVE
PB18
power supply / battery
EXTENSIONS CONNECTORS
| 
 | IOB_[0..57] | 
 | IOB_[0..57] | IOB_[0..57] | 
| IOB_48 | 
 | |||
| 
 | 
 | |||
EBI_[0..42]
EBI_[0..42]
Extension Connectors
| Appendix B – Schematics | 
