AT32UC3B0256 Atmel Corporation, AT32UC3B0256 Datasheet - Page 304
AT32UC3B0256
Manufacturer Part Number
AT32UC3B0256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3B0128.pdf
(684 pages)
5.AT32UC3B0128.pdf
(107 pages)
Specifications of AT32UC3B0256
Flash (kbytes)
256 Kbytes
Pin Count
64
Max. Operating Frequency
60 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
44
Ext Interrupts
44
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
4
Twi (i2c)
1
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)
32
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3B0256-A2UT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
AT32UC3B0256-U
Manufacturer:
ATMEL
Quantity:
543
Part Number:
AT32UC3B0256-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3B0256-Z2UT
Manufacturer:
ATMEL
Quantity:
444
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304
AVR32
RET{cond4} – Conditional Return from Subroutine
Architecture revision:
Architecture revision1 and higher.
Description
Return from subroutine if the specified condition is true. Values are moved into the return regis-
ter, the return value is tested, and flags are set.
Operation:
I.
Syntax:
I.
Operands:
I.
Status Flags:
Opcode:
15
0
If (cond4)
ret{cond4} Rs
cond4 ∈ {eq, ne, cc/hs, cs/lo, ge, lt, mi, pl, ls, gt, le, hi, vs, vc, qs, al}
s ∈{0, 1, …, 15}
Flags are set as result of the operation CP R12, 0.
Q:
V:
N:
Z:
C:
1
13
0
If (Rs != {LR, SP, PC})
else if (Rs == LR)
else if (Rs == SP)
else
Test R12 and set flags;
PC ← LR;
Not affected
V ← 0
N ← RES[31]
Z ← (RES[31:0] == 0)
C ← 0
12
1
R12 ← Rs;
R12 ← -1;
R12 ← 0;
R12 ← 1;
1
1
9
1
8
0
7
cond4
4
3
Rs
32000D–04/2011
0
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