AT91SAM7A3-AU Atmel, AT91SAM7A3-AU Datasheet - Page 5

• Manufacturer Part Number: AT91SAM7A3-AU
• Description: IC ARM7 MCU FLASH 256K 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7A3-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 60MHz
• Connectivity: CAN, I²C, MMC, SPI, SSC, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Controller Family/series: AT91SAM7xx
• No. Of I/o's: 62
• Ram Memory Size: 32KB
• Cpu Speed: 60MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 60 MHz
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/SPI/I2S/TWI/USART/USB
• On-chip Adc: 2(8-chx10-bit)
• Number Of Timers: 3
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Ram Size: 32 KB
• Maximum Clock Frequency: 60 MHz
• 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, AT91SAM7A3-EK
• Minimum Operating Temperature: - 40 C
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 60MHz
• Total Internal Ram Size: 32KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7A3-EK - KIT EVAL FOR AT91SAM7A3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

3. Signal Description
Table 3-1.
6042DS–ATARM–14-Dec-06
Signal Name
VDD3V3
VDDBU
VDDANA
VDD1V8
VDDPLL
GND
XIN
XOUT
PLLRC
PCK0 - PCK3
SHDW
WKUP0 - WKUP1
FWKUP
TCK
TDI
TDO
TMS
JTAGSEL
NRST
TST
DRXD
DTXD
Signal Description
Function
1.8V Voltage Regulator, I/O Lines and
Flash Power Supply
Backup I/O Lines Power Supply
Analog Power Supply
1.8V Voltage Regulator Output and Core
Power Supply
1.8V PLL Power Supply
Ground
Main Oscillator Input
Main Oscillator Output
PLL Filter
Programmable Clock Output
Shut-Down Control
Wake-Up Inputs
Force Wake Up
Test Clock
Test Data In
Test Data Out
Test Mode Select
JTAG Selection
Microcontroller Reset
Test Mode Select
Debug Receive Data
Debug Transmit Data
Clocks, Oscillators and PLLs
ICE and JTAG
Debug Unit
Reset/Test
Power
Ground
Output
Output
Output
Output
Output
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
Active
Level
High
Low
3.0V to 3.6V
3V to 3.6V
1.85V typical
Open Drain.
Accept between 0V and VDDBU
Accept between 0V and VDDBU
External pull-up resistor needed.
No pull-up resistor
No pull-up resistor
No pull-up resistor
Pull-down resistor
Comments
3V to 3.6V
1.65V to 1.95V
Pull-down resistor
AT91SAM7A3
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