SAM9RL64 Atmel Corporation, SAM9RL64 Datasheet - Page 231

• Manufacturer Part Number: SAM9RL64
• Manufacturer: Atmel Corporation

Specifications of SAM9RL64

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 240 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 118
• Ext Interrupts: 118
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 2
• Uart: 5
• Ssc: 2
• Sd / Emmc: 1
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 6
• Adc Resolution (bits): 10
• Adc Speed (ksps): 220
• Resistive Touch Screen: Yes
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.08 to 1.32
• Fpu: No
• Mpu / Mmu: No / Yes
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Figure 24-2. Parity Generation for 512/1024/2048/4096 8-bit Words1
6289D–ATARM–3-Oct-11
(page size -1 )th byte
(page size -3 )th byte
(page size -2 )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
2nd byte
4 th byte
3rd byte
1st byte
Bit7
Bit7
Bit7
Bit7
Bit7
Bit7
Bit7
Bit7
P1
To calculate P8’ to PX’ and P8 to PX, apply the algorithm that follows.
P2
Bit6
Bit6
Bit6
Bit6
Bit6
Bit6
Bit6
Bit6
Page size = 2
P1'
P4
for i =0 to n
begin
end
for (j = 0 to page_size_byte)
begin
Bit5
Bit5
Bit5
Bit5
Bit5
Bit5
Bit5
Bit5
if(j[i] ==1)
else
end
P1
P[2
P[2
P2'
i+3
i+3
Bit4
Bit4
Bit4
Bit4
Bit4
Bit4
Bit4
Bit4
P1'
]=bit7(+)bit6(+)bit5(+)bit4(+)bit3(+)
]’=bit7(+)bit6(+)bit5(+)bit4(+)bit3(+)
n
Bit3
Bit3
Bit3
Bit3
Bit3
Bit3
Bit3
Bit3
bit2(+)bit1(+)bit0(+)P[2
P1
bit2(+)bit1(+)bit0(+)P[2
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'
P4'=bit7(+)bit6(+)bit5(+)bit4(+)P4'
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'
P8
P8'
P8
P8'
P8
P8'
P8
P8'
i+3
i+3
]
AT91SAM9R64/RL64
P16'
P16'
P16
P16
]'
P32
P32
P32
PX
PX'
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