AT91SAM7A3-AU Atmel, AT91SAM7A3-AU Datasheet - Page 584

• 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

iv
AT91SAM7A3 Preliminary
21 Peripheral DMA Controller (PDC) ....................................................... 115
22 Advanced Interrupt Controller (AIC) .................................................. 125
23 Clock Generator ................................................................................... 151
24 Power Management Controller (PMC) ................................................ 155
25 Debug Unit (DBGU ............................................................................... 181
20.1
20.2
20.3
21.1
21.2
21.3
21.4
22.1
22.2
22.3
22.4
22.5
22.6
22.7
22.8
23.1
23.2
23.3
23.4
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
24.9
25.1
Overview ..........................................................................................................101
Functional Description .....................................................................................101
Embedded Flash Controller (EFC) User Interface ...........................................109
Overview .........................................................................................................115
Block Diagram .................................................................................................115
Functional Description .....................................................................................116
Peripheral DMA Controller (PDC) User Interface ...........................................118
Overview .........................................................................................................125
Block Diagram .................................................................................................125
Application Block Diagram ..............................................................................126
AIC Detailed Block Diagram ............................................................................126
I/O Line Description .........................................................................................126
Product Dependencies ....................................................................................127
Functional Description .....................................................................................128
Advanced Interrupt Controller (AIC) User Interface .........................................140
Description ......................................................................................................151
Slow Clock RC Oscillator .................................................................................151
Main Oscillator .................................................................................................151
Divider and PLL Block .....................................................................................153
Description ......................................................................................................155
Master Clock Controller ...................................................................................155
Processor Clock Controller ..............................................................................156
USB Clock Controller ......................................................................................156
Peripheral Clock Controller .............................................................................156
Programmable Clock Output Controller ...........................................................157
Programming Sequence ..................................................................................157
Clock Switching Details ...................................................................................161
Power Management Controller (PMC) User Interface ....................................164
Overview .........................................................................................................181
6042E–ATARM–14-Dec-06