AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 336

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

Specifications of AT91SAM7X256B-CU

• 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-TFBGA
• Processor Series: 91S
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: CAN, Ethernet, SPI, I2S, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 62
• Number Of Timers: 3
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Package: 100TFBGA
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• On-chip Adc: 8-chx10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

• CHRL: Character Length.
• SYNC: Synchronous Mode Select
0: USART operates in Asynchronous Mode.
1: USART operates in Synchronous Mode.
• PAR: Parity Type
• NBSTOP: Number of Stop Bits
• CHMODE: Channel Mode
• MSBF: Bit Order
0: Least Significant Bit is sent/received first.
1: Most Significant Bit is sent/received first.
336
0
0
1
1
0
0
1
1
0
0
0
0
1
1
CHMODE
0
0
1
1
NBSTOP
AT91SAM7X512/256/128 Preliminary
CHRL
PAR
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Asynchronous (SYNC = 0)
1 stop bit
1.5 stop bits
2 stop bits
Reserved
Mode Description
Normal Mode
Automatic Echo. Receiver input is connected to the TXD pin.
Local Loopback. Transmitter output is connected to the Receiver Input..
Remote Loopback. RXD pin is internally connected to the TXD pin.
0
1
0
1
x
x
Character Length
5 bits
6 bits
7 bits
8 bits
Parity Type
Even parity
Odd parity
Parity forced to 0 (Space)
Parity forced to 1 (Mark)
No parity
Multidrop mode
Synchronous (SYNC = 1)
1 stop bit
Reserved
2 stop bits
Reserved
6120H–ATARM–17-Feb-09