AT91SAM9261B-CU Atmel, AT91SAM9261B-CU Datasheet - Page 25

• Manufacturer Part Number: AT91SAM9261B-CU
• Description: MCU ARM9 ULTRA LOW PWR 217-LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9261B-CU

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 190MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: DMA, LCD, POR, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: ROM
• Ram Size: 192K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 1.32 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 217-LFBGA
• Cpu Family: AT91
• Device Core: ARM926EJ-S
• Device Core Size: 32b
• Frequency (max): 240MHz
• Total Internal Ram Size: 160KB
• # I/os (max): 96
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 1.2/1.8/3.3V
• Operating Supply Voltage (max): 1.32/1.95/3.6V
• Operating Supply Voltage (min): 1.08/1.65/2.7/3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 217
• Package Type: LFBGA
• Processor Series: AT91SAMx
• Core: ARM926EJ-S
• Data Bus Width: 32 bit
• Data Ram Size: 160 KB
• Interface Type: JTAG,SPI, SSC, TWI, UART
• Maximum Clock Frequency: 190 MHz
• Number Of Programmable I/os: 96
• Number Of Timers: 3
• Operating Supply Voltage: 3 V to 3.6 V
• 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, AT91SAM9261-EK
• Minimum Operating Temperature: - 40 C
• Controller Family/series: AT91SAM9xxx
• No. Of I/o's: 96
• Ram Memory Size: 160KB
• Cpu Speed: 190MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• For Use With: AT91SAM9261-EK - KIT EVAL FOR AT91SAM926EJ-S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Compliant

9.6
9.7
9.8
9.9
6062LS–ATARM–23-Mar-09
Power Management Controller
Periodic Interval Timer
Watchdog Timer
Real-time Timer
Figure 9-3.
• The Power Management Controller provides:
• Includes a 20-bit Periodic Counter with less than 1 µs accuracy
• Includes a 12-bit Interval Overlay Counter
• Real time OS or Linux
• 12-bit key-protected only-once programmable counter
• Windowed, prevents the processor to be in a dead-lock on the watchdog access
• 32-bit Free-running backup counter
• Alarm Register capable to generate a wake-up of the system
– the Processor Clock PCK
– the Master Clock MCK
– the USB Clock USBCK (HCK0)
– the LCD Controller Clock LCDCK (HCK1)
– up to thirty peripheral clocks
– four programmable clock outputs: PCK0 to PCK3
PLLBCK
MAINCK
PLLACK
SLCK
Power Management Controller Block Diagram
Master Clock Controller
/1,/2,/4,...,/64
®
Prescaler
/WindowsCE
MAINCK
PLLBCK
PLLACK
SLCK
PLLBCK
Programmable Clock Controller
®
Divider
/1,/2,/4
compliant tick generator
USB Clock Controller
AT91SAM9261 Preliminary
/1,/2,/4,...,/64
Prescaler
ON/OFF
Divider
/1,/2,/4
APB Peripherals
AHB Peripherals
Clock Controller
Clock Controller
Processor
Controller
Idle Mode
Clock
ON/OFF
ON/OFF
PCK
int
MCK
periph_clk[2..21]
HCKx
pck[0..3]
usb_suspend
UDPCK
UHPCK
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