SAM3N4B Atmel Corporation, SAM3N4B Datasheet - Page 417

• Manufacturer Part Number: SAM3N4B
• Manufacturer: Atmel Corporation

Specifications of SAM3N4B

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 48 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 79
• Ext Interrupts: 79
• Quadrature Decoder Channels: 2
• Usb Speed: No
• Usb Interface: No
• Spi: 3
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 10
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 24
• 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

26.7.30
Name:
Addresses:
Access:
This register can only be written if the WPEN bit is cleared in
• P0-P31: Pull Down Disable.
0 = No effect.
1 = Disables the pull down resistor on the I/O line.
26.7.31
Name:
Addresses:
Access:
This register can only be written if the WPEN bit is cleared in
• P0-P31: Pull Down Enable.
0 = No effect.
1 = Enables the pull down resistor on the I/O line.
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
P31
P23
P15
P31
P23
P15
P7
P7
31
23
15
31
23
15
7
7
PIO Pad Pull Down Disable Register
PIO Pad Pull Down Enable Register
P30
P22
P14
P30
P22
P14
P6
P6
30
22
14
30
22
14
PIO_PPDDR
0x400E0E90 (PIOA), 0x400E1090 (PIOB), 0x400E1290 (PIOC)
Write-only
6
PIO_PPDER
0x400E0E94 (PIOA), 0x400E1094 (PIOB), 0x400E1294 (PIOC)
Write-only
6
P29
P21
P13
P29
P21
P13
P5
P5
29
21
13
29
21
13
5
5
P28
P20
P12
P28
P20
P12
P4
P4
28
20
12
28
20
12
4
4
“PIO Write Protect Mode Register”
“PIO Write Protect Mode Register”
P27
P19
P11
P27
P19
P11
P3
P3
27
19
11
27
19
11
3
3
P26
P18
P10
P26
P18
P10
P2
P2
26
18
10
26
18
10
2
2
.
.
P25
P17
P25
P17
P9
P1
P9
P1
25
17
25
17
9
1
9
1
SAM3N
SAM3N
P24
P16
P24
P16
P8
P0
P8
P0
24
16
24
16
8
0
8
0
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