AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 321

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AT32UC3C0256C

Manufacturer Part Number
AT32UC3C0256C
Description
Manufacturer
Atmel Corporation
Datasheets

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

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32000D–04/2011
SATSUB.H – Saturated Subtract of Halfwords
Architecture revision:
Architecture revision1 and higher.
Description
Performs a subtraction of the specified halfwords and stores the result in destination register.
The result is saturated if it overflows the range representable with 16 bits. If saturation occurs,
the Q flag is set.
Operation:
I.
Syntax:
I.
Operands:
I.
Status Flags:
Opcode:
31
1
15
0
temp ← ZE(Rx[15:0]) - ZE(Ry[15:0]) ;
if (Rx[15] ∧ ¬Ry[15] ∧ ¬temp[15]) ∨ (¬Rx[15] ∧ Ry[15] ∧ temp[15]) then
else
satsub.hRd, Rx, Ry
{d, s} ∈ {0, 1, …, 15}
Q:
V:
N:
Z:
C:
1
0
29
1
0
if Rx[15]==0 then
else
Rd ← SE(temp[15:0]);
Q ← (Rx[15] ∧ ¬Ry[15] ∧ ¬temp[15]) ∨ (¬Rx[15] ∧ Ry[15] ∧ temp[15]) ∨ Q
V ← (Rx[15] ∧ ¬Ry[15] ∧ ¬temp[15]) ∨ (¬Rx[15] ∧ Ry[15] ∧ temp[15])
N ← Rd[15]
Z ← (Rd[15:0] == 0)
C ← 0
28
12
0
Rd ← 0x00007fff;
Rd ← 0xffff8000;
11
0
Rx
0
25
1
24
0
1
0
1
0
1
0
0
4
20
0
0
3
19
Ry
Rd
AVR32
0
16
321

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