AT91SAM9G46-CU Atmel, AT91SAM9G46-CU Datasheet - Page 14

• Manufacturer Part Number: AT91SAM9G46-CU
• Description: IC ARM9 MCU 324TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9G46-CU

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 400MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
• Peripherals: AC'97, DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 160
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: ROM
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 1.1 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

5. Power Considerations
5.1
14
Power Supplies
SAM9G46
The SAM9G46 has several types of power supply pins:
Some supply pins share common ground (GND) pins whereas others have separate grounds.
The respective power/ground pin assignments are as follows:
VDDCORE
VDDIOM0, VDDIOM1
VDDIOP0, VDDIOP1, VDDIOP2
VDDBU
VDDUTMIC, VDDUTMII
VDDPLLUTMI, VDDPLLA, VDDOSC,
VDDANA
• VDDCORE pins: Power the core, including the processor, the embedded memories and the
• VDDIOM0 pins: Power the DDR2/LPDDR I/O lines; voltage ranges between 1.65V and 1.95V
• VDDIOM1 pins: Power the External Bus Interface 1 I/O lines; voltage ranges between 1.65V
• VDDIOP0, VDDIOP1, VDDIOP2 pins: Power the Peripherals I/O lines; voltage ranges from
• VDDBU pin: Powers the Slow Clock oscillator, the internal RC oscillator and a part of the
• VDDPLLUTMI Powers the PLLUTMI cell; voltage range from 0.9V to 1.1V.
• VDDUTMIC pin: Powers the USB device and host UTMI+ core; voltage range from 0.9V to
• VDDUTMII pin: Powers the USB device and host UTMI+ interface; voltage range from 3.0V to
• VDDPLLA pin: Powers the PLLA cell; voltage ranges from 0.9V to 1.1V.
• VDDOSC pin: Powers the Main Oscillator cells; voltage ranges from 1.65V to 3.6V
• VDDANA pin: Powers the Analog to Digital Converter; voltage ranges from 3.0V to 3.6V, 3.3V
peripherals; voltage ranges from 0.9V to 1.1V, 1.0V typical.
(1.8V typical).
and 1.95V (1.8V typical) or between 3.0V and 3.6V (3.3V typical).
1.65V to 3.6V.
System Controller; voltage ranges from 1.8V to 3.6V.
1.1V, 1.0V typical.
3.6V, 3.3V typical.
typical.
GNDCORE
GNDUTMI
GNDIOM
GNDIOP
GNDBU
GNDOSC
GNDANA
11028CS–ATARM–8-Apr-11