AT32UC3C2256C Atmel Corporation, AT32UC3C2256C Datasheet - Page 240

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AT32UC3C2256C

Manufacturer Part Number
AT32UC3C2256C
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of AT32UC3C2256C

Flash (kbytes)
256 Kbytes
Pin Count
64
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
45
Ext Interrupts
64
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
5
Twi (i2c)
2
Uart
4
Can
2
Lin
4
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
68
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 to 3.6 or 4.5 to 5.5
Operating Voltage (vcc)
3.0 to 3.6 or 4.5 to 5.5
Fpu
Yes
Mpu / Mmu
Yes / No
Timers
3
Output Compare Channels
13
Input Capture Channels
6
Pwm Channels
14
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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240
AVR32
MULSATRNDWH.W – Multiply Word and Halfword with Saturation and
Rounding into Word
Architecture revision:
Architecture revision1 and higher.
Description
Multiplies the word register with the halfword register specified, rounds the upper 32 bits of the
result and stores it in the destination word-register. The halfword register is selected as either
the high or low part of Ry. Since the most significant part of the product is stored, no overflow will
occur. If the two operands equals -1, the result is saturated to the largest positive 32-bit fractional
number.
Operation:
I.
Syntax:
I.
Operands:
I.
Status Flags:
Opcode:
Example:
0x4000) >> 15
31
1
15
0
operand1 = Rx;
If (Ry-part == t) then operand2 = SE(Ry[31:16]) else operand2 = SE(Ry[15:0]);
If ((operand1 == 0x8000_0000) && (operand2 == 0x8000))
else
mulsatrndwh.w Rd, Rx, Ry:<part>
{d, x, y} ∈ {0, 1, …, 15}
part ∈ {t,b}
Q:
V:
N:
Z:
C:
mulsatrndwh.w R10, R2, R3b will perform R10 ← (Sat( R2[31:16] × SE(R3[15:0]) ) +
1
0
29
1
0
Rd ← 0x7FFF_FFFF;
Rd ← SE( ((operand1 × operand2) + 0x4000 ) >> 15 );
Set if saturation occurred, or previously set.
Not affected.
Not affected.
Not affected.
Not affected.
12
28
0
11
1
Rx
0
25
1
8
24
0
1
7
0
1
0
0
5
0
0
4
Y
20
0
3
19
Ry
Rd
32000D–04/2011
0
16

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