ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 319

• Manufacturer Part Number: ATUC64L4U
• Manufacturer: Atmel Corporation

Specifications of ATUC64L4U

• Flash (kbytes): 64 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
SATRNDU – Saturate with Rounding Unsigned
Architecture revision:
Architecture revision1 and higher.
Description
This instruction considers the value in (Rd>>sa)[bp-1:0] as a unsigned value. Rounding is per-
formed after the shift. If the value in (Rd>>sa)[31:bp] is not merely a zero extention of this value,
overflow has occurred and saturation is performed to the maximum unsigned positive value or
zero. If saturation occurs, the Q flag is set. An arithmetic shift is performed on Rd. If bp equals
zero, no saturation is performed.
Operation:
I.
Syntax:
I.
Operands:
I.
Status Flags:
Opcode:
31
1
15
0
Temp ← Rd >> sa
if (sa != 0)
If ((Temp == ZE( Temp[bp-1:0])) || (bp == 0) )
else
satrndu Rd >> sa, bp
d ∈ {0, 1, …, 15}
{sa, bp} ∈ {0, 1, …, 31}
Q:
V:
N:
Z:
C:
1
0
29
1
0
Rnd = Rd[sa-1]
Temp = Temp + Rnd;
Rd ← Temp;
if (Temp[31] == 1)
else
Set if saturation occurred or Q was already set, cleared otherwise.
Not affected
Not affected
Not affected
Not affected
12
28
1
0
Rd ← 0x0000_0000;
Rd ← 2
11
0
0
10
0
1
bp
- 1;
9
25
1
24
1
bp
1
0
5
1
4
20
1
19
sa
Rd
AVR32
0
16
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