AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 5

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

Figure 2-2. SAM7S32/16 Block Diagram
PCK0-PCK2
VDDCORE
VDDCORE
JTAGSEL
ADVREF
ADTRG
NPCS0
NPCS1
NPCS2
NPCS3
PLLRC
XOUT
DRXD
NRST
DTXD
RXD0
SCK0
SPCK
TXD0
RTS0
CTS0
MISO
MOSI
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
WDT
PIOA
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
9 Channels
Memory Controller
ARM7TDMI
Processor
Misalignment
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
SAM7S Series [DATASHEET]
Regulator
Voltage
1.8 V
6175M–ATARM–26-Oct-12
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