SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 24
SAM9G20
Manufacturer Part Number
SAM9G20
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G20.pdf
(42 pages)
5.SAM9G20.pdf
(832 pages)
Specifications of SAM9G20
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
7
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
95
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No/Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
9.1
Figure 9-1.
24
System Controller Block Diagram
AT91SAM9G20 Summary
PC0-PC31
PB0-PB31
PA0-PA31
OSCSEL
XOUT32
AT91SAM9G20 System Controller Block Diagram
VDDBU
WKUP
SHDN
NRST
XIN32
XOUT
XIN
VDDCORE
VDDBU
dbgu_irq
CLOCK
SLOW
periph_irq[2..24]
pmc_irq
MAIN
POR
POR
OSC
OSC
OSC
wdt_irq
rstc_irq
PLLA
PLLB
RC
periph_clk[2..4]
pit_irq
backup_nreset
rtt_irq
periph_nreset
periph_nreset
periph_nreset
periph_nreset
proc_nreset
dbgu_rxd
dbgu_rxd
irq0-irq2
debug
debug
SLCK
SLCK
SLCK
SLCK
MCK
MCK
backup_nreset
idle
fiq
int
SLCK
rtt0_alarm
MAINCK
PLLACK
PLLBCK
por_ntrst
jtag_nreset
System Controller
Management
Shut-Down
Watchdog
Real-Time
Controllers
Advanced
Controller
Controller
Controller
Controller
Interrupt
Periodic
Interval
Debug
Power
Reset
Timer
Timer
Timer
PIO
Unit
wdt_fault
WDRPROC
4 General-Purpose
Backup Registers
UHPCK
int
dbgu_irq
dbgu_txd
pit_irq
wdt_irq
rstc_irq
periph_nreset
proc_nreset
backup_nreset
rtt_irq
rtt_alarm
periph_clk[2..27]
pck[0-1]
PCK
MCK
pmc_irq
idle
periph_irq[2..4]
irq0-irq2
fiq
dbgu_txd
UDPCK
VDDBU Powered
VDDCORE Powered
por_ntrst
periph_clk[6..24]
periph_irq[6..24]
periph_clk[20]
periph_clk[10]
periph_nreset
periph_nreset
periph_irq[20]
periph_nreset
periph_irq[10]
periph_nreset
proc_nreset
in
out
enable
jtag_nreset
UHPCK
UDPCK
debug
MCK
PCK
nirq
nfiq
ntrst
Boundary Scan
TAP Controller
ARM926EJ-S
Peripherals
Embedded
Bus Matrix
USB Host
Device
USB
Port
Port
6384DS–ATARM–13-Jan-10