AT32UC3A4256 Atmel Corporation, AT32UC3A4256 Datasheet - Page 489

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AT32UC3A4256

Manufacturer Part Number
AT32UC3A4256
Description
Manufacturer
Atmel Corporation

Specifications of AT32UC3A4256

Flash (kbytes)
256 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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23.9
Table 23-6.
Note:
32072G–11/2011
Offset
0x0C
0x1C
0x2C
0x00
0x04
0x08
0x10
0x14
0x18
0x20
0x24
0x28
0x30
0x34
User Interface
1. The reset values for these registers are device specific. Please refer to the Module Configuration section at the end of this
chapter.
TWIM Register Memory Map
Clock Waveform Generator Register
Transmit Holding Register
Interrupt Disable Register
Receive Holding Register
Interrupt Enable Register
Next Command Register
SMBus Timing Register
Interrupt Mask Register
Status Clear Register
Command Register
Parameter Register
Version Register
Control Register
Status Register
Register
Register Name
NCMDR
SMBTR
CWGR
CMDR
RHR
THR
SCR
IMR
IER
IDR
CR
SR
PR
VR
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Read-only
Read-only
Read-only
Read-only
Write-only
Write-only
Write-only
Write-only
Write-only
Access
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000002
0x00000000
0x00000000
0x00000000
0x00000000
Reset
-
-
(1)
(1)
489

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