AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 359

• 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

Figure 31-10. Transmit Start Mode
Figure 31-11. Receive Pulse/Edge Start Modes
6120H–ATARM–17-Feb-09
Start = Low Level on TF
Start = Falling Edge on TF
Start = Low Level on RF
Start = Falling Edge on RF
Start = High Level on TF
Start = Rising Edge on TF
Start = Level Change on TF
Start = Any Edge on TF
Start = High Level on RF
Start = Rising Edge on RF
Start = Level Change on RF
Start = Any Edge on RF
(Output)
(Output)
(Output)
(Output)
(Output)
(Output)
(Input)
(Input)
(Input)
(Input)
(Input)
(Input)
(Input)
(Input)
RD
RD
RD
RD
RD
RD
TD
TD
TD
TD
TD
TD
RF
TF
RK
TK
AT91SAM7X512/256/128 Preliminary
X
X
X
X
X
X
X
X
BO
BO
BO
BO
X
X
X
X
BO
BO
B1
BO
B1
B1
BO
B1
B1
B1
BO
B1
BO
BO
B1
BO
BO
B1
BO
B1
BO
B1
BO
B1
B1
B1
B1
B1
STTDLY
STTDLY
STTDLY
STTDLY
STTDLY
STTDLY
STTDLY
STTDLY
STTDLY
STTDLY
STTDLY
STTDLY
359