AT32UC3A3128 Atmel Corporation, AT32UC3A3128 Datasheet - Page 26

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AT32UC3A3128

Manufacturer Part Number
AT32UC3A3128
Description
Manufacturer
Atmel Corporation

Specifications of AT32UC3A3128

Flash (kbytes)
128 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
110
Ext Interrupts
110
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Sd / Emmc
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
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
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
18
Input Capture Channels
12
Pwm Channels
12
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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2.12
26
Recommended Call Convention
AVR32
Table 2-9.
The compiler vendor is free to define a call convention, but seen from a hardware point of view,
there are some recommendations on how the call convention should be defined.
Register R12 is intended as return value register in connection with function calls. Some instruc-
tions will use this register implicitly. For instance, the conditional ret instruction will move its
argument into R12.
Name
DLSZ
DASS
CONFIG1 Fields (Continued)
Bit
5:3
2:0
Description
Line size in DCACHE
Value
0
1
2
3
4
5
6
7
Associativity of DCACHE
Value
0
1
2
3
4
5
6
7
Semantic
No DCACHE present
4 bytes
8 bytes
16 bytes
32 bytes
64 bytes
128 bytes
256 bytes
Semantic
Direct mapped
2-way
4-way
8-way
16-way
32-way
64-way
128-way
32000D–04/2011

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