AT32UC3A3128 Atmel Corporation, AT32UC3A3128 Datasheet - Page 292

• Manufacturer Part Number: AT32UC3A3128
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A3128

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 110
• Ext Interrupts: 110
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• Sd / Emmc: 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
• Dac Channels: 2
• Dac Resolution (bits): 16
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 12
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

292
AVR32
PSUBS.{UB/SB/UH/SH} – Packed Subtraction with Saturation
Architecture revision:
Architecture revision1 and higher.
Description
Perform subtraction of four pairs of packed bytes or two pairs of halfwords. The result is satu-
rated to either unsigned bytes (psubs.ub), signed bytes (psubs.sb), unsigned halfwords
(psubs.uh) or signed halfwords (psubs.sh).
Operation:
I.
II.
III.
IV.
Syntax:
I.
II.
III.
IV.
Operands:
I, II, III, IV.{d, x, y} ∈ {0, 1, …, 15}
Status Flags:
Opcode:
31
1
15
0
Rd[31:24] ← SATSU(ZE(Rx[31:24], 9) - ZE(Ry[31:24], 9), 8) ;
Rd[23:16] ← SATSU(ZE(Rx[23:16], 9) - ZE(Ry[23:16], 9), 8);
Rd[15:8] ← SATSU(ZE(Rx[15:8], 9) - ZE(Ry[15:8], 9), 8);
Rd[7:0] ← SATSU(ZE(Rx[7:0], 9) - ZE(Ry[7:0], 9), 8);
Rd[31:24] ← SATS(SE(Rx[31:24], 9) - SE(Ry[31:24], 9), 8);
Rd[23:16] ← SATS(SE(Rx[23:16], 9) - SE(Ry[23:16], 9), 8);
Rd[15:8] ← SATS(SE(Rx[15:8], 9) - SE(Ry[15:8], 9), 8);
Rd[7:0] ← SATS(SE(Rx[7:0], 9) - SE(Ry[7:0], 9), 8);
Rd[31:16] ← SATSU(ZE(Rx[31:16], 17) - ZE(Ry[31:16], 17), 16);
Rd[15:0] ← SATSU(ZE(Rx[15:0], 17) - ZE(Ry[15:0], 17), 16);
Rd[31:16] ← SATS(SE(Rx[31:16], 17) - SE(Ry[31:16], 17), 16);
Rd[15:0] ← SATS(SE(Rx[15:0], 17) - SE(Ry[15:0], 17), 16);
psubs.ub
psubs.sb
psubs.uh
psubs.sh
Q:
V:
N:
Z:
C:
Format I:
1
0
29
1
1
Flag set if saturation occured in one or more of the partial operations.
Not affected.
Not affected.
Not affected.
Not affected.
28
0
Rd, Rx, Ry
Rd, Rx, Ry
Rd, Rx, Ry
Rd, Rx, Ry
0
Rx
0
25
1
24
0
1
0
0
1
0
0
0
4
20
0
1
3
19
Ry
Rd
32000D–04/2011
0
16