at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 805

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Table of Contents
6384B–ATARM–15-Dec-08
1
2
3
4
5
6
7
8
9
Description ............................................................................................... 3
AT91SAM9G20 Block Diagram ............................................................... 4
Signal Description .................................................................................. 5
Package and Pinout ................................................................................. 9
Power Considerations ........................................................................... 11
I/O Line Considerations ......................................................................... 12
Processor and Architecture .................................................................. 13
Memories ................................................................................................ 17
System Controller .................................................................................. 21
4.1
4.2
5.1
5.2
5.3
6.1
6.2
6.3
6.4
6.5
6.6
6.7
7.1
7.2
7.3
7.4
8.1
8.2
9.1
9.2
9.3
9.4
9.5
217-ball LFBGA Package Outline ........................................................................9
217-ball LFBGA Pinout ......................................................................................10
Power Supplies ..................................................................................................11
Power Consumption ...........................................................................................11
Programmable I/O Lines ....................................................................................11
JTAG Port Pins ..................................................................................................12
Test Pin ..............................................................................................................12
Reset Pins ..........................................................................................................12
PIO Controllers ...................................................................................................12
I/O Line Drive Levels ..........................................................................................12
Shutdown Logic Pins ..........................................................................................12
Slow Clock Selection ..........................................................................................13
ARM926EJ-S Processor ....................................................................................13
Bus Matrix ..........................................................................................................14
Peripheral DMA Controller .................................................................................15
Debug and Test Features ..................................................................................16
Embedded Memories .........................................................................................18
External Memories .............................................................................................19
System Controller Block Diagram ......................................................................22
Reset Controller .................................................................................................23
Shutdown Controller ...........................................................................................23
Clock Generator .................................................................................................23
Power Management Controller ..........................................................................24
AT91SAM9G20 Preliminary
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