AT91SAM7SE256B-AU Atmel, AT91SAM7SE256B-AU Datasheet - Page 154
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AT91SAM7SE256B-AU
Manufacturer Part Number
AT91SAM7SE256B-AU
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-AU
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
*
Core
ARM7TDMI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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21.7.6.2
154
SAM7SE512/256/32 Preliminary
Software Configuration
The following configuration must be respected:
• Assign the EBI CS4 and/or EBI_CS5 to the CompactFlash Slot 0 and/or Slot 1 by setting the
• Select the mode by using the corresponding address (refer to Figure 21.3).
• Address lines A[0..10], A22, CFWE, CFOE, CFIOW, CFIOR, NWAIT, CFRNW, CFS0,
• 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
bit EBI_CS4A and/or EBI_CS5A in the EBI Chip Select Assignment Register.
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.
CARD DETECT functions respectively.
accordingly to CompactFlash timings and system bus frequency.
6222F–ATARM–14-Jan-11
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