AT91SAM9G20B-CU Atmel, AT91SAM9G20B-CU Datasheet - Page 24

• Manufacturer Part Number: AT91SAM9G20B-CU
• Description: IC ARM9 MPU 217-LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9G20B-CU

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 400MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, ISI, MMC, SPI, SSC, UART/USART, USB
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: ROM
• Ram Size: 96K x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 1.1 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 217-LFBGA
• Processor Series: AT91SAMx
• Core: ARM926EJ-S
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: 2-Wire, I2S, SPI, UART, USART
• Maximum Clock Frequency: 400 MHz
• Number Of Programmable I/os: 96
• Number Of Timers: 7
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM9G20-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 4 Channel
• Controller Family/series: AT91SAM9xxx
• No. Of I/o's: 96
• Ram Memory Size: 96KB
• Cpu Speed: 400MHz
• No. Of Timers: 2
• Rohs Compliant: Yes
• For Use With: AT91SAM9G20-EK - KIT EVAL FOR AT91SAM9G20 MCUAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: AT91SAM9G20-CU; AT91SAM9G20-CU

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