AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 681

• 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

6120H–ATARM–17-Feb-09
13 Reset Controller (RSTC) ........................................................................ 57
14 Real-time Timer (RTT) ............................................................................ 73
15 Periodic Interval Timer (PIT) ................................................................. 79
16 Watchdog Timer (WDT) ......................................................................... 85
17 Voltage Regulator Mode Controller (VREG) ........................................ 91
18 Memory Controller (MC) ........................................................................ 93
19 Embedded Flash Controller (EFC) ..................................................... 103
12.2
12.3
12.4
12.5
13.1
13.2
13.3
14.1
14.2
14.3
14.4
15.1
15.2
15.3
15.4
16.1
16.2
16.3
16.4
17.1
17.2
18.1
18.2
18.3
18.4
19.1
19.2
Block Diagram .................................................................................................45
Application Examples ......................................................................................46
Debug and Test Pin Description ......................................................................47
Functional Description .....................................................................................48
Block Diagram .................................................................................................57
Functional Description .....................................................................................58
Reset Controller (RSTC) User Interface ..........................................................68
Overview ..........................................................................................................73
Block Diagram .................................................................................................73
Functional Description .....................................................................................73
Real-time Timer (RTT) User Interface .............................................................75
Overview ..........................................................................................................79
Block Diagram .................................................................................................79
Functional Description .....................................................................................80
Periodic Interval Timer (PIT) User Interface ....................................................82
Overview ..........................................................................................................85
Block Diagram .................................................................................................85
Functional Description .....................................................................................86
Watchdog Timer (WDT) User Interface ...........................................................88
Overview ..........................................................................................................91
Voltage Regulator Power Controller (VREG) User Interface ...........................92
Overview ..........................................................................................................93
Block Diagram .................................................................................................93
Functional Description .....................................................................................94
Memory Controller (MC) User Interface ..........................................................98
Overview .......................................................................................................103
Functional Description ...................................................................................103
AT91SAM7X512/256/128 Preliminary
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