Table of Contents
1. Pin Description.....................................................................................4
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
System.............................................................................................................. 4
CAN Interface.................................................................................................... 4
ADC/DAC Interface........................................................................................... 5
Memory Interface .............................................................................................. 5
FIFO Interface................................................................................................... 6
SpaceWire Interface.......................................................................................... 6
JTAG 7
Power Supply.................................................................................................... 7
2. Architecture..........................................................................................9
2.1
2.2
LEON2-FT processor........................................................................................ 9
Debug Support Unit......................................................................................... 10
2.2.1
2.2.2
Debug Support Unit .......................................................................... 10
Debug communication link................................................................ 10
2.3
LEON2-FT Peripherals.................................................................................... 10
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
Interrupt Controller............................................................................ 10
32-bit Timer....................................................................................... 10
UART Serial Links ............................................................................ 10
16-bit General Purpose Input Output................................................ 11
Memory Interface.............................................................................. 11
2.4
2.5
2.6
2.7
2.8
2.9
On-Chip Memory............................................................................................. 11
FIFO Interface................................................................................................. 11
ADC/DAC Interface......................................................................................... 11
32-bit Timers................................................................................................... 12
24-bit General Purpose Input Output .............................................................. 12
CAN Interface.................................................................................................. 12
2.10 SpaceWire Link Interface................................................................................ 12
2.11 JTAG Interface................................................................................................ 13
3. Typical Applications ...........................................................................14
3.1
3.2
3.3
AT7913E in ICU .............................................................................................. 14
AT7913E in OBC............................................................................................. 14
AT7913E on payload....................................................................................... 14
4. Package Information..........................................................................15
4.1
Packages Outline............................................................................................ 15
4.1.1
4.1.2
MCGA 349 outline ............................................................................ 15
QFP 352 outline................................................................................ 16
4.2
Pin Assignment ............................................................................................... 17
4.2.1
4.2.2
4.2.3
Power and Ground............................................................................ 17
System and Peripherals.................................................................... 18
Unconnected Pins............................................................................. 21
5. Electrical Characteristics....................................................................22
5.1
5.2
5.3
5.4
5.5
Absolute Maximum Ratings ............................................................................ 22
Operating Range............................................................................................. 22
DC characteristics........................................................................................... 23
AC characteristics ........................................................................................... 23
Timing Diagrams............................................................................................. 24
6. Ordering Information..........................................................................25
6.1
AT7913E Ordering Codes............................................................................... 25
ATMEL AT7913E [DATASHEET]
3
7833G−AERO−04/12
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