AT91SAM7S256-AU-001 Atmel, AT91SAM7S256-AU-001 Datasheet - Page 27

• Manufacturer Part Number: AT91SAM7S256-AU-001
• Description: IC ARM7 MCU 32BIT 256K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256-AU-001

• Package / Case: 64-LQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 55MHz
• Number Of I /o: 32
• Core Processor: ARM7
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Core Size: 16/32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: AT91SAM7S256AU001

Figure 9-1.
6175FS–ATARM–03-Dec-07
PA0-PA31
PLLRC
NRST
XOUT
XIN
System Controller Block Diagram (AT91SAM7S512/256/128/64/321/161)
RCOSC
dbgu_irq
BOD
POR
OSC
periph_irq[2..14]
PLL
pmc_irq
wdt_irq
rstc_irq
en
pit_irq
rtt_irq
periph_nreset
usb_suspend
periph_nreset
periph_nreset
periph_nreset
periph_nreset
periph_clk[2]
proc_nreset
cal
gpnvm[0]
dbgu_rxd
dbgu_rxd
irq0-irq1
SLCK
debug
debug
SLCK
MAINCK
SLCK
MCK
MCK
PLLCK
SLCK
int
fiq
idle
jtag_nreset
flash_poe
flash_wrdis
power_on_reset
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..14]
pck[0-2]
PCK
UDPCK
MCK
pmc_irq
idle
periph_irq{2]
irq0-irq1
fiq
dbgu_txd
AT91SAM7S Series Summary
Regulator
Controller
Voltage
Mode
power_on_reset
force_ntrst
periph_clk[4..14]
periph_irq[4..14]
periph_clk[11]
periph_nreset
periph_irq[11]
periph_nreset
usb_suspend
proc_nreset
proc_nreset
in
out
enable
jtag_nreset
gpnvm[0..1]
flash_wrdis
cal
flash_poe
UDPCK
debug
standby
PCK
MCK
security_bit
cal
nirq
nfiq
Boundary Scan
TAP Controller
USB Device
ARM7TDMI
Peripherals
Embedded
Embedded
Controller
Regulator
Memory
Voltage
Flash
Port
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