AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 25

• Manufacturer Part Number: AT91SAM7X256B-AU
• Description: IC MCU 256KB FLASH 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K 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
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 62
• Ram Memory Size: 64KB
• Cpu Speed: 55MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 55MHz
• Total Internal Ram Size: 64KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

6120FS–ATARM–17-Feb-09
Figure 9-1.
PB0-PB30
PA0-PA30
PLLRC
XOUT
NRST
AT91SAM7X512/256/128 Preliminary Summary
XIN
System Controller Block Diagram
RCOSC
dbgu_irq
BOD
POR
OSC
pmc_irq
periph_irq[2..19]
PLL
rstc_irq
wdt_irq
efc_irq
en
power_on_reset
periph_clk[2-3]
pit_irq
rtt_irq
periph_nreset
usb_suspend
periph_nreset
periph_nreset
periph_nreset
proc_nreset
dbgu_rxd
cal
gpnvm[0]
dbgu_rxd
irq0-irq1
SLCK
debug
debug
SLCK
SLCK
MAINCK
MCK
MCK
PLLCK
SLCK
int
fiq
idle
power_on_reset
flash_wrdis
jtag_nreset
flash_poe
gpnvm[1]
System Controller
bod_rst_en
Management
Real-Time
Advanced
Watchdog
Controller
Controller
Controller
Controller
Interrupt
Periodic
Interval
Debug
Power
Reset
Timer
Timer
Timer
PIO
Unit
wdt_fault
WDRPROC
int
dbgu_irq
force_ntrst
dbgu_txd
pit_irq
rtt_irq
wdt_irq
periph_nreset
proc_nreset
rstc_irq
periph_clk[2..18]
pck[0-3]
PCK
UDPCK
MCK
pmc_irq
idle
periph_irq{2-3]
irq0-irq1
fiq
dbgu_txd
Regulator
Controller
Voltage
Mode
power_on_reset
force_ntrst
periph_clk[4..19]
periph_irq[4..19]
periph_clk[11]
periph_nreset
periph_irq[11]
usb_suspend
periph_nreset
proc_nreset
in
out
enable
gpnvm[0..2]
proc_nreset
flash_wrdis
jtag_nreset
cal
flash_poe
standby
UDPCK
efc_irq
debug
MCK
PCK
nirq
nfiq
security_bit
cal
Boundary Scan
TAP Controller
USB Device
ARM7TDMI
Peripherals
Embedded
Embedded
Regulator
Controller
Memory
Voltage
Flash
Port
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