AT91SAM7SE512B-AU Atmel, AT91SAM7SE512B-AU Datasheet - Page 219
AT91SAM7SE512B-AU
Manufacturer Part Number
AT91SAM7SE512B-AU
Description
IC ARM7 MCU FLASH 512K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE512B-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
512KB (512K 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
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Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7SE512B-AU
Manufacturer:
TOREX
Quantity:
15 600
Part Number:
AT91SAM7SE512B-AU
Manufacturer:
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Quantity:
20 000
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24. Error Corrected Code Controller (ECC)
24.1
24.2
6222F–ATARM–14-Jan-11
Overview
Block Diagram
NAND Flash/SmartMedia devices contain by default invalid blocks which have one or more
invalid bits. Over the NAND Flash/SmartMedia lifetime, additional invalid blocks may occur
which can be detected/corrected by ECC code.
The ECC Controller is a mechanism that encodes data in a manner that makes possible the
identification and correction of certain errors in data. The ECC controller is capable of single bit
error correction and 2-bit random detection. When NAND Flash/SmartMedia have more than 2
bits of errors, the data cannot be corrected.
The ECC user interface is compliant with the ARM Advanced Peripheral Bus (APB rev2).
Figure 24-1. Block Diagram
Controller
Memory
APB
Static
SAM7SE512/256/32 Preliminary
Ctrl/ECC Algorithm
User Interface
Controller
ECC
NAND Flash
SmartMedia
Logic
219
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