AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 666

• 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

9
10 Peripherals .............................................................................................. 35
11 ARM7TDMI Processor Overview ........................................................... 43
12 Debug and Test Features ...................................................................... 49
ii
System Controller .................................................................................. 28
8.1 Embedded Memories ............................................................................................23
8.2 External Memories .................................................................................................27
9.1 Reset Controller .....................................................................................................30
9.2 Clock Generator ....................................................................................................30
9.3 Power Management Controller ..............................................................................31
9.4 Advanced Interrupt Controller ................................................................................32
9.5 Debug Unit .............................................................................................................33
9.6 Periodic Interval Timer ...........................................................................................33
9.7 Watchdog Timer ....................................................................................................33
9.8 Real-time Timer .....................................................................................................33
9.9 PIO Controllers ......................................................................................................33
9.10 Voltage Regulator Controller ...............................................................................34
10.1 User Interface ......................................................................................................35
10.2 Peripheral Identifiers ............................................................................................35
10.3 Peripheral Multiplexing on PIO Lines ..................................................................36
10.4 PIO Controller A Multiplexing ..............................................................................37
10.5 PIO Controller B Multiplexing ..............................................................................38
10.6 PIO Controller C Multiplexing ..............................................................................39
10.7 Serial Peripheral Interface ...................................................................................39
10.8 Two Wire Interface ..............................................................................................40
10.9 USART ................................................................................................................40
10.10 Serial Synchronous Controller ...........................................................................40
10.11 Timer Counter ....................................................................................................41
10.12 PWM Controller .................................................................................................41
10.13 USB Device Port ................................................................................................42
10.14 Analog-to-Digital Converter ...............................................................................42
11.1 Overview ..............................................................................................................43
11.2 ARM7TDMI Processor .........................................................................................44
12.1 Overview ..............................................................................................................49
12.2 Block Diagram .....................................................................................................49
12.3 Application Examples ..........................................................................................50
SAM7SE512/256/32 Preliminary
6222F–ATARM–14-Jan-11