AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 361

• 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

31.3
Figure 31-2. SAM7S32/16 USART Block Diagram
Application Block Diagram
Figure 31-3. SAM7S512/256/128/64/321/161 Application Block Diagram
PMC
AIC
USART
Interrupt
Modem
Modem
Drivers
RS232
Driver
PSTN
DIV
SLCK
MCK/DIV
MCK
PPP
Drivers
RS232
Serial
Driver
Serial
Port
USART
APB
Channel
Field Bus
Differential
USART
Drivers
RS485
Driver
Peripheral DMA
User Interface
Bus
Controller
Channel
Transmitter
Baud Rate
Generator
Receiver
Smart
Driver
EMV
Card
Slot
SAM7S Series [DATASHEET]
Transceivers
Driver
IrLAP
IrDA
IrDA
Controller
PIO
6175M–ATARM–26-Oct-12
RXD
RTS
TXD
CTS
SCK
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