ATUC256L4U Atmel Corporation, ATUC256L4U Datasheet - Page 263

• Manufacturer Part Number: ATUC256L4U
• Manufacturer: Atmel Corporation

Specifications of ATUC256L4U

• Flash (kbytes): 256 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 50 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 36
• Ext Interrupts: 36
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 460
• Analog Comparators: 8
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 16
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.62 to 3.6
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 35
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

32000D–04/2011
PADDSUBH.SH – Packed Halfword Addition and Subtraction with Halving
Description
Perform an addition and subtraction on the same signed halfword operands which are selected
from the source registers. The halfword results are halved in order to prevent any overflows from
occuring
Operation:
I.
Syntax:
I.
Operands:
I.
Status Flags:
Opcode:
31
1
15
0
If (Rx-part == t) then operand1 = Rx[31:16] else operand1 = Rx[15:0];
If (Ry-part == t) then operand2 = Ry[31:16] else operand2 = Ry[15:0];
Rd[31:16] ← ASR(SE(operand1, 17) + SE(operand2, 17), 1);
Rd[15:0] ← ASR(SE(operand1, 17) - SE(operand2, 17), 1);
paddsubh.sh
{d, x, y} ∈ {0, 1, …, 15}
part ∈ {t,b}
Q:
V:
N:
Z:
C:
Format I:
1
0
29
1
1
Not affected.
Not affected.
Not affected.
Not affected.
Not affected.
28
0
Rd, Rx:<part>, Ry:<part>
0
Rx
0
25
1
24
0
0
0
1
6
0
0
5
0
X
4
20
0
Y
3
19
Ry
Rd
AVR32
0
16
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