AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 356

• Manufacturer Part Number: AT32UC3L0256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3L0256

• 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 Speed: No
• Usb Interface: No
• Spi: 5
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• 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

356
AVR32
SUB – Subtract (without Carry)
Architecture revision:
Architecture revision1 and higher.
Description
Performs a subtraction and stores the result in destination register.
Operation:
I.
II.
III.
IV.
V.
Syntax:
I.
II.
III.
IV.
V.
Operands:
I-V.
II.
III.
IV.
V.
Status Flags:
Rd ← Rd - Rs;
Rd ← Rx - (Ry << sa2);
if (Rd == SP)
else
Rd ← Rd - SE(imm21);
Rd ← Rs - SE(imm16);
sub
sub
sub
sub
sub
{d, s, x, y} ∈ {0, 1, …, 15}
sa ∈ {0, 1, 2, 3}
if (Rd == SP)
else
imm ∈{-1048576, -104875, ..., 1048575}
imm ∈ {-32768, -32767, ..., 32767}
Format I: OP1 = Rd, OP2 = Rs
Format II:OP1 = Rx, OP2 = Ry << sa2
Format III: OP1 = Rd, if (Rd==SP) OP2 = SE(imm8<<2) else OP2 = SE(imm8)
Format IV: OP1 = Rd, OP2 = SE(imm21)
Format V: OP1 = Rs, OP2 = SE(imm16)
Q:
V:
N:
Z:
C:
Rd ← Rd - SE(imm8 << 2);
Rd ← Rd - SE(imm8);
Rd, Rs
Rd, Rx, Ry << sa
Rd, imm
Rd, imm
Rd, Rs, imm
imm ∈{-512, -508, ..., 508}
imm ∈{-128, -127, ..., 127}
Not affected
V ← (OP1[31] ∧ ¬OP2[31] ∧ ¬RES[31]) ∨ (¬OP1[31] ∧ OP2[31] ∧ RES[31])
N ← RES[31]
Z ← (RES[31:0] == 0)
C ← ¬OP1[31] ∧ OP2[31] ∨ OP2[31] ∧ RES[31] ∨ ¬OP1[31] ∧ RES[31]
32000D–04/2011