AT91SAM7A3-AU Atmel, AT91SAM7A3-AU Datasheet - Page 20

• 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

Figure 9-1.
9.1
20
System Controller Mapping
AT91SAM7A3
System Controller Block Diagram
PB0-PB29
PA0-PA31
FWKUP
WKUP0
WKUP1
PLLRC
SHDW
NRST
XOUT
XIN
VDD3V3
VDD1V8
RCOSC
VDDBU
irq0-irq1-irq2-irq3
MAIN
dbgu_irq
POR
POR
OSC
POR
periph_irq[2..27]
pmc_irq
PLL
wdt_irq
rstc_irq
periph_clk[2..3]
pit_irq
rtt_irq
periph_nreset
periph_nreset
periph_nreset
periph_nreset
periph_nreset
proc_nreset
VDDBU Powered
dbgu_rxd
dbgu_rxd
debug
debug
SLCK
MAINCK
SLCK
MCK
MCK
SLCK
int
fiq
idle
SLCK
jtag_nreset
flash_poe
ice_nreset
PLLCK
System Controller
4 General-Purpose
Backup Regs
Management
Watchdog
Advanced
Shutdown
Controller
Controller
Controller
Controller
Controller
Interrupt
Real-Time
Periodic
Interval
Debug
Power
Reset
Timer
Timer
PIOs
Unit
Timer
wdt_fault
WDRPROC
irq0-irq1-irq2-irq3
wdt_fault
WDRPROC
int
dbgu_irq
dbgu_txd
periph_nreset
proc_nreset
rstc_irq
rtt_irq
periph_clk[2..27]
pck[0-3]
PCK
UDPCK
MCK
pmc_irq
idle
pit_irq
wdt_irq
periph_irq{2..3]
fiq
dbgu_txd
VDD1V8 Powered
periph_clk[4..26]
periph_clk[27]
periph_nreset
periph_irq[27]
periph_nreset
periph_irq[4..26]
proc_nreset
proc_nreset
proc_nreset
in
out
enable
jtag_nreset
ice_nreset
UDPCK
debug
MCK
PCK
nirq
nfiq
Boundary Scan
Embedded Flash
TAP Controller
ARM7TDMI
USB Device
Peripherals
Embedded
Controller
Memory
Port
6042DS–ATARM–14-Dec-06