SAM9G10 Atmel Corporation, SAM9G10 Datasheet - Page 263

• Manufacturer Part Number: SAM9G10
• Manufacturer: Atmel Corporation

Specifications of SAM9G10

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 266 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 4
• Ssc: 3
• Sd / Emmc: 1
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 16
• 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
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

23.7.46
Name:
Address:
Access:
Reset:
For more information on Write Protection Registers, refer to
Interface”.
• WPEN: Write Protect Enable
0: Disables the Write Protect if WPKEY corresponds to 0x50494F (“PIO” in ASCII).
1: Enables the Write Protect if WPKEY corresponds to 0x50494F (“PIO” in ASCII).
Protects the registers:
“PIO Enable Register” on page 238
“PIO Disable Register” on page 238
“PIO Output Enable Register” on page 239
“PIO Output Disable Register” on page 240
“PIO Input Filter Enable Register” on page 241
“PIO Input Filter Disable Register” on page 241
“PIO Multi-driver Enable Register” on page 246
“PIO Multi-driver Disable Register” on page 247
“PIO Pull Up Disable Register” on page 248
“PIO Pull Up Enable Register” on page 248
“PIO Peripheral ABCD Select Register 1” on page 250
“PIO Peripheral ABCD Select Register 2” on page 251
“PIO Output Write Enable Register” on page 256
“PIO Output Write Disable Register” on page 256
“PIO Pad Pull Down Disable Register” on page 254
“PIO Pad Pull Down Status Register” on page 255
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
31
23
15
7
–
PIO Write Protect Mode Register
PIO_WPMR
0xFFFFF4E4 (PIOA), 0xFFFFF6E4 (PIOB), 0xFFFFF8E4 (PIOC), 0xFFFFFAE4 (PIOD)
Read-write
See
Table 23-2
30
22
14
6
–
29
21
13
5
–
28
20
12
4
–
WPKEY
WPKEY
WPKEY
Section 23.7 ”Parallel Input/Output Controller (PIO) User
27
19
11
3
–
26
18
10
–
2
25
17
–
9
1
SAM9G35
SAM9G35
WPEN
24
16
8
0
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