SAM3N1A Atmel Corporation, SAM3N1A Datasheet - Page 418

• Manufacturer Part Number: SAM3N1A
• Manufacturer: Atmel Corporation

Specifications of SAM3N1A

• Flash (kbytes): 64 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 48 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 34
• Ext Interrupts: 34
• Quadrature Decoder Channels: 2
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 2
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

26.7.32
Name:
Addresses:
Access:
This register can only be written if the WPEN bit is cleared in
• P0-P31: Pull Down Status.
0 = Pull Down resistor is enabled on the I/O line.
1 = Pull Down resistor is disabled on the I/O line.
418
418
P31
P23
P15
P7
31
23
15
7
SAM3N
SAM3N
PIO Pad Pull Down Status Register
P30
P22
P14
P6
30
22
14
PIO_PPDSR
0x400E0E98 (PIOA), 0x400E1098 (PIOB), 0x400E1298 (PIOC)
Read-only
6
P13
P29
P21
P5
29
21
13
5
P28
P20
P12
P4
28
20
12
4
“PIO Write Protect Mode Register”
P11
P27
P19
P3
27
19
11
3
P26
P18
P10
P2
26
18
10
2
.
P25
P17
P9
P1
25
17
9
1
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
P24
P16
P8
P0
24
16
8
0