AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 156

• 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

21.7.7.2
156
SAM7SE512/256/32 Preliminary
Software Configuration
The following configuration must be respected:
• Address lines A[0..10], A22, CFWE, CFOE, CFIOW, CFIOR, NWAIT, CFRNW, CFS0,
• Assign the EBI CS4 and/or EBI CS5 to the CompactFlash Slot 0 or/and Slot 1 by setting the
• Select the mode by using the corresponding address (refer to
• Configure a PIO line as an output for CFRST and two others as an input for CFIRQ and
• Configure SMC CS4 and/or SMC_CS5 (for Slot 0 or 1) Setup, Pulse, Cycle and Mode
CFCS1, CFCE1, CFCE2 and data lines D[8..15] are multiplexed with PIO lines and thus the
dedicated PIOs must be programmed in peripheral mode in the PIO controller.
bit EBI_CS4A and/or EBI_CS5A in the EBI Chip Select Assignment Register.
CARD DETECT functions respectively.
according to CompactFlash timings and system bus frequency.
Figure
21-3).
6222F–ATARM–14-Jan-11