AT32UC3C2256C Atmel Corporation, AT32UC3C2256C Datasheet - Page 237

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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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32000D–04/2011
MULSATHH.H – Multiply Halfwords with Saturation into Halfword
Architecture revision:
Architecture revision1 and higher.
Description
Multiplies the two halfword registers specified, shifts the results one position to the left and
stores the sign-extended high halfword of the result in the destination word-register. If the two
operands equals -1, the result is saturated to the largest positive 16-bit fractional number. The
halfword registers are selected as either the high or low part of the operand registers.
Operation:
I.
Syntax:
I.
Operands:
I.
Status Flags:
Opcode:
Example:
31
1
15
0
If (Rx-part == t) then operand1 = SE(Rx[31:16]) else operand1 = SE(Rx[15:0]);
If (Ry-part == t) then operand2 = SE(Ry[31:16]) else operand2 = SE(Ry[15:0]);
If (operand1 == operand2 == 0x8000)
else
mulsathh.h Rd, Rx:<part>, Ry:<part>
{d, x, y} ∈ {0, 1, …, 15}
part ∈ {t,b}
Q:
V:
N:
Z:
C:
mulsathh.h R10, R2:t, R3:b
will perform R10 ← SE( Sat(SE(R2[31:16]) × SE(R3[15:0]) ) >> 15 )
1
0
29
1
0
Rd ← 0x7FFF;
Rd ← SE( (operand1 × operand2) >> 15 );
Set if saturation occurred, or previously set.
Not affected.
Not affected.
Not affected.
Not affected.
28
12
0
11
1
Rx
0
25
0
8
24
0
0
7
0
1
6
0
0
5
0
X
4
20
0
Y
3
19
Ry
Rd
AVR32
0
16
237

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