AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 156

• Manufacturer Part Number: AT32UC3C0256C
• Manufacturer: Atmel Corporation

Specifications of AT32UC3C0256C

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 123
• Ext Interrupts: 144
• Usb Transceiver: 1
• Quadrature Decoder Channels: 2
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 7
• Twi (i2c): 3
• Uart: 5
• Can: 2
• Lin: 5
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 4
• Dac Resolution (bits): 12
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 68
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• 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: 6
• Output Compare Channels: 22
• Input Capture Channels: 12
• Pwm Channels: 20
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

156
AVR32
CP.B – Compare Byte
Architecture revision:
Architecture revision1 and higher.
Description
Performs a compare between the lowermost bytes in the two operands specified. The operation
is implemented by doing a subtraction without writeback of the difference. The operation sets the
status flags according to the result of the subtraction, but does not affect the operand registers.
Operation:
I.
Syntax:
I.
Operands:
I.
Status Flags:
Opcode
31
15
0
1
Rd[7:0] - Rs[7:0];
cp.b
{d, s} ∈ {0, 1, …, 15}
Q:
V:
N:
Z:
C:
0
1
29
0
1
Rd, Rs
Not affected
V ← (Rd[7] ∧ ¬Rs[7] ∧ ¬RES[7]) ∨ (¬Rd[7] ∧ Rs[7] ∧ RES[7])
N ← RES[7]
Z ← (RES[7:0] == 0)
C ← ¬Rd[7] ∧ Rs[7] ∨ Rs[7] ∧ RES[7] ∨ ¬Rd[7] ∧ RES[7]
12
28
1
11
1
Rs
0
0
25
8
0
24
0
7
0
0
0
0
0
0
20
0
0
0
19
0
Rd
0
32000D–04/2011
0
0
16