AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 665

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

Specifications of AT91SAM7SE256B-AUR

• 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

1
2
3
4
5
6
7
8
6222F–ATARM–14-Jan-11
Description ............................................................................................... 3
Block Diagram .......................................................................................... 4
Signal Description .................................................................................... 5
Package ..................................................................................................... 9
Power Considerations ........................................................................... 13
I/O Lines Considerations ....................................................................... 15
Processor and Architecture .................................................................. 17
Memories ................................................................................................ 21
Features .................................................................................................... 1
1.1 Configuration Summary of the SAM7SE512, SAM7SE256 and SAM7SE32 ..........3
4.1 128-lead LQFP Package Outline .............................................................................9
4.2 128-lead LQFP Pinout ...........................................................................................10
4.3 144-ball LFBGA Package Outline ..........................................................................11
4.4 144-ball LFBGA Pinout ..........................................................................................12
5.1 Power Supplies ......................................................................................................13
5.2 Power Consumption ..............................................................................................13
5.3 Voltage Regulator ..................................................................................................13
5.4 Typical Powering Schematics ................................................................................14
6.1 JTAG Port Pins ......................................................................................................15
6.2 Test Pin .................................................................................................................15
6.3 Reset Pin ...............................................................................................................15
6.4 ERASE Pin ............................................................................................................15
6.5 SDCK Pin ..............................................................................................................16
6.6 PIO Controller lines ...............................................................................................16
6.7 I/O Lines Current Drawing .....................................................................................16
7.1 ARM7TDMI Processor ...........................................................................................17
7.2 Debug and Test Features ......................................................................................17
7.3 Memory Controller .................................................................................................17
7.4 External Bus Interface ...........................................................................................18
7.5 Static Memory Controller .......................................................................................18
7.6 SDRAM Controller .................................................................................................19
7.7 Error Corrected Code Controller ............................................................................19
7.8 Peripheral DMA Controller .....................................................................................20
SAM7SE512/256/32 Preliminary
i