AT91SAM7S256-AU-001 Atmel, AT91SAM7S256-AU-001 Datasheet - Page 5

• 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 2-2.
6175FS–ATARM–03-Dec-07
PCK0-PCK2
VDDCORE
VDDCORE
JTAGSEL
ADVREF
AT91SAM7S32/16 Block Diagram
ADTRG
NPCS0
NPCS1
NPCS2
NPCS3
PLLRC
DRXD
XOUT
NRST
DTXD
RXD0
SPCK
TXD0
SCK0
CTS0
MISO
MOSI
RTS0
IRQ0
TDO
TMS
TCK
TST
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
TDI
FIQ
XIN
OSC
BOD
POR
PLL
System Controller
SCAN
JTAG
RCOSC
DBGU
Controller
Reset
PIOA
WDT
PMC
RTT
AIC
PIT
PDC
PDC
USART0
ICE
SPI
ADC
PDC
PDC
PDC
PDC
PDC
Embedded
Controller
Peripheral Bridge
Status
Peripheral DMA
Flash
Abort
APB
Controller
Memory Controller
9 Channels
ARM7TDMI
Processor
Misalignment
AT91SAM7S Series Summary
Detection
Decoder
Address
PDC
PDC
Timer Counter
PWMC
TWI
SSC
TC0
TC1
TC2
32/16 Kbytes
Programming
8/4 Kbytes
Fast Flash
SAM-BA
Interface
SRAM
ROM
Flash
Regulator
Voltage
1.8 V
VDDIN
GND
VDDOUT
VDDCORE
VDDIO
VDDFLASH
ERASE
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMM0-PGMM3
PGMD0-PGMD7
PGMNCMD
PGMEN0-PGMEN2
PWM0
PWM1
PWM2
PWM3
TF
TK
TD
RD
RK
RF
TCLK0
TIOA0
TIOB0
TIOA1
TIOB1
TWD
TWCK
5