AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 34

• Manufacturer Part Number: AT91SAM7X256B-AU
• Description: IC MCU 256KB FLASH 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 62
• Ram Memory Size: 64KB
• Cpu Speed: 55MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 55MHz
• Total Internal Ram Size: 64KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

10.5
Table 10-3.
34
I/O Line
PB10
PB11
PB12
PB13
PB14
PB15
PB16
PB17
PB18
PB19
PB20
PB21
PB22
PB23
PB24
PB25
PB26
PB27
PB28
PB29
PB30
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PIO Controller B Multiplexing
AT91SAM7X512/256/128 Preliminary
Multiplexing on PIO Controller B
ETXCK/EREFCK
ERXDV/ECRSDV
Peripheral A
ETXEN
ERXER
ETXER
ERXCK
EMDIO
EMDC
EF100
PWM0
PWM1
PWM2
PWM3
ECRS
TIOA0
TIOB0
TIOA1
TIOB1
TIOA2
TIOB2
ERX0
ERX1
ERX2
ERX3
ECOL
PCK1
PCK2
ETX0
ETX1
ETX2
ETX3
PIO Controller B
SPI1_NPCS1
SPI1_NPCS2
SPI0_NPCS1
SPI0_NPCS2
SPI1_NPCS3
SPI0_NPCS3
Peripheral B
ADTRG
TCLK0
TCLK1
PWM0
PWM1
PWM2
PWM3
DCD1
PCK0
PCK0
PCK1
PCK2
DSR1
DTR1
RI1
Comments
AD0
AD1
AD2
AD3
Application Usage
Function
Comments
6120FS–ATARM–17-Feb-09