SAM3S4B Atmel Corporation, SAM3S4B Datasheet - Page 656

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SAM3S4B

Manufacturer Part Number
SAM3S4B
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM3S4B

Flash (kbytes)
256 Kbytes
Pin Count
64
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
23
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
10
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
48
Self Program Memory
YES
Dram Memory
No
Nand Interface
Yes
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
Yes / No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
31.11.11 TWI Transmit Holding Register
Name:
Addresses: 0x40018034 (0), 0x4001C034 (1)
Access:
Reset:
• TXDATA: Master or Slave Transmit Holding Data
656
31
23
15
7
SAM3S
TWI_THR
Read-write
0x00000000
30
22
14
6
29
21
13
5
28
20
12
4
TXDATA
27
19
11
3
26
18
10
2
25
17
9
1
6500C–ATARM–8-Feb-11
24
16
8
0

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