AT91SAM9XE512-QU Atmel, AT91SAM9XE512-QU Datasheet - Page 263
![MCU ARM9 512K FLASH 208-PQFP](/photos/6/73/67311/313-208-pqfp_sml.jpg)
AT91SAM9XE512-QU
Manufacturer Part Number
AT91SAM9XE512-QU
Description
MCU ARM9 512K FLASH 208-PQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9XE128-QU.pdf
(860 pages)
Specifications of AT91SAM9XE512-QU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
180MHz
Connectivity
EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
208-MQFP, 208-PQFP
Controller Family/series
AT91SAM9xxxxx
No. Of I/o's
96
Ram Memory Size
32KB
Cpu Speed
180MHz
No. Of Timers
2
Rohs Compliant
Yes
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
2-Wire, EBI, I2S, SPI, USART
Maximum Clock Frequency
180 MHz
Number Of Programmable I/os
96
Number Of Timers
6
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
Package
208PQFP
Device Core
ARM926EJ-S
Family Name
91S
Maximum Speed
180 MHz
Operating Supply Voltage
1.8|2.5|3.3 V
For Use With
AT91SAM9XE-EK - KIT EVAL FOR AT91SAM9XEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
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
Company:
Part Number:
AT91SAM9XE512-QU
Manufacturer:
VISHAY
Quantity:
40 000
Company:
Part Number:
AT91SAM9XE512-QU
Manufacturer:
Atmel
Quantity:
58
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Figure 25-2. Parity Generation for 512/1024/2048/4096 8-bit Words
6254C–ATARM–22-Jan-10
(page size -1 )th byte
(page size -2 )th byte
(page size -3 )th byte
Page size th byte
Page size = 512 Px = 2048
Page size = 1024 Px = 4096
Page size = 2048 Px = 8192
Page size = 4096 Px = 16384
4 th byte
2nd byte
3rd byte
1st byte
ECC Status Registers, ECC Parity Registers are cleared when a read/write command is
detected or a software reset is performed.
For Single-bit Error Correction and Double-bit Error Detection (SEC-DED) hsiao code is used.
24-bit ECC is generated in order to perform one bit correction per 256 or 512 bytes for pages of
512/2048/4096 8-bit words. 32-bit ECC is generated in order to perform one bit correction per
512/1024/2048/4096 8- or 16-bit words.They are generated according to the schemes shown in
Figure 25-2
To calculate P8’ to PX’ and P8 to PX, apply the algorithm that follows.
Bit7
Bit7
Bit7
Bit7
Bit7
Bit7
Bit7
P1
P2
Page size = 2
Bit6
Bit6
Bit6
Bit6
Bit6
Bit6
Bit6
Bit6
P1'
for i =0 to n
begin
end
for (j = 0 to page_size_byte)
begin
if(j[i] ==1)
else
end
P4
P[2
P[2
and
Bit5
Bit5
Bit5
Bit5
Bit5
Bit5
Bit5
Bit5
P1
i+3
i+3
Figure
P2'
]=bit7(+)bit6(+)bit5(+)bit4(+)bit3(+)
]’=bit7(+)bit6(+)bit5(+)bit4(+)bit3(+)
Bit4
Bit4
Bit4
Bit4
Bit4
Bit4
Bit4
Bit4
n
P1'
AT91SAM9XE128/256/512 Preliminary
bit2(+)bit1(+)bit0(+)P[2
25-3.
bit2(+)bit1(+)bit0(+)P[2
Bit3
Bit3
Bit3
Bit3
Bit3
Bit3
Bit3
Bit3
P1
P2
P1=bit7(+)bit5(+)bit3(+)bit1(+)P1
P2=bit7(+)bit6(+)bit3(+)bit2(+)P2
P4=bit7(+)bit6(+)bit5(+)bit4(+)P4
P1'=bit6(+)bit4(+)bit2(+)bit0(+)P1'
P2' bit5( )bit4( )bit1( )bit0( )P2'
Bit2
Bit2
Bit2
Bit2
Bit2
Bit2
Bit2
Bit2
P1'
P4'
Bit1
Bit1
Bit1
Bit1
Bit1
Bit1
Bit1
Bit1
P1
P2'
Bit0
Bit0
Bit0
Bit0
Bit0
Bit0
Bit0
Bit0
P1'
i+3
P8'
P8
P8'
P8
P8'
P8
P8'
i+3
]
]'
P16'
P16'
P16
P16
P32
P32
P32
PX
PX'
263
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