AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 362

• 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

31.4
Table 31-1.
Note:
Name
SCK
TXD
RXD
RI
DSR
DCD
DTR
CTS
RTS
(1)
(1)
(1)
(1)
Figure 31-4. SAM7S32/16 Application Block Diagram
I/O Lines Description
1. Does not pertain to SAM7S32/16
I/O Line Description
Description
Serial Clock
Transmit Serial Data
Receive Serial Data
Ring Indicator
Data Set Ready
Data Carrier Detect
Data Terminal Ready
Clear to Send
Request to Send
Drivers
RS232
Serial
Serial
Driver
PPP
Port
Field Bus
Differential
Drivers
RS485
Driver
Bus
USART
Smart
Driver
EMV
Card
Slot
Transceivers
Driver
IrLAP
IrDA
IrDA
SAM7S Series [DATASHEET]
Output
Output
Type
Input
Input
Input
Input
Input
I/O
I/O
6175M–ATARM–26-Oct-12
Active Level
Low
Low
Low
Low
Low
Low
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