AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 667

• Manufacturer Part Number: AT91SAM7SE256B-CUR
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CUR

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K 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: *
• Processor Series: SAM7SE256
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 88
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Processor To Be Evaluated: AT91SAM7SE256B
• Supply Current (max): 60 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

13 Reset Controller (RSTC) ........................................................................ 55
14 Real-time Timer (RTT) ............................................................................ 67
15 Watchdog Timer (WDT) ......................................................................... 73
16 Periodic Interval Timer (PIT) ................................................................. 79
17 Voltage Regulator Mode Controller (VREG) ........................................ 85
18 Memory Controller (MC) ........................................................................ 87
19 Embedded Flash Controller (EFC) ...................................................... 101
6222F–ATARM–14-Jan-11
12.4 Debug and Test Pin Description ..........................................................................51
12.5 Functional Description .........................................................................................52
13.1 Block Diagram .....................................................................................................55
13.2 Functional Description .........................................................................................56
13.3 Reset Controller (RSTC) User Interface ..............................................................63
14.1 Overview ..............................................................................................................67
14.2 Block Diagram .....................................................................................................67
14.3 Functional Description .........................................................................................67
14.4 Real-time Timer (RTT) User Interface .................................................................69
15.1 Overview ..............................................................................................................73
15.2 Block Diagram .....................................................................................................73
15.3 Functional Description .........................................................................................74
15.4 Watchdog Timer (WDT) User Interface ...............................................................76
16.1 Overview ..............................................................................................................79
16.2 Block Diagram .....................................................................................................79
16.3 Functional Description .........................................................................................80
16.4 Periodic Interval Timer (PIT) User Interface ........................................................82
17.1 Overview ..............................................................................................................85
17.2 Voltage Regulator Power Controller (VREG) User Interface ...............................86
18.1 Overview ..............................................................................................................87
18.2 Block Diagram .....................................................................................................87
18.3 Functional Description .........................................................................................88
18.4 External Memory Areas .......................................................................................89
18.5 Memory Controller (MC) User Interface ..............................................................93
19.1 Overview ...........................................................................................................101
19.2 Functional Description .......................................................................................101
19.3 Embedded Flash Controller (EFC ) User Interface ............................................110
SAM7SE512/256/32 Preliminary
iii