SAM9263 Atmel Corporation, SAM9263 Datasheet - Page 213

• Manufacturer Part Number: SAM9263
• Manufacturer: Atmel Corporation

Specifications of SAM9263

• Flash (kbytes): 0 Kbytes
• Pin Count: 324
• Max. Operating Frequency: 240 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 160
• Ext Interrupts: 160
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 4
• Can: 1
• Ssc: 2
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: Yes
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 96
• Self Program Memory: NO
• External Bus Interface: 2
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• 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

23.6.7
Register Name:SDRAMC_IMR
Addresses: 0xFFFFE21C (0), 0xFFFFE81C (1)
Access Type:Read-only
• RES: Refresh Error Status
0: The refresh error interrupt is disabled.
1: The refresh error interrupt is enabled.
23.6.8
Register Name:SDRAMC_ISR
Addresses: 0xFFFFE220 (0), 0xFFFFE820 (1)
Access Type:Read-only
• RES: Refresh Error Status
0: No refresh error has been detected since the register was last read.
1: A refresh error has been detected since the register was last read.
6249I–ATARM–3-Oct-11
31
23
15
31
23
15
–
–
–
7
–
–
–
–
7
–
SDRAMC Interrupt Mask Register
SDRAMC Interrupt Status Register
30
22
14
30
22
14
–
–
–
6
–
–
–
–
6
–
29
21
13
29
21
13
–
–
–
5
–
–
–
–
5
–
28
20
12
28
20
12
–
–
–
4
–
–
–
–
4
–
27
19
11
27
19
11
–
–
–
3
–
–
–
–
3
–
26
18
10
26
18
10
–
–
–
2
–
–
–
–
2
–
AT91SAM9263
25
17
25
17
–
–
9
–
1
–
–
–
9
–
1
–
RES
RES
24
16
24
16
–
–
8
–
0
–
–
8
–
0
255