AT32UC3A3128 Atmel Corporation, AT32UC3A3128 Datasheet - Page 322

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AT32UC3A3128

Manufacturer Part Number
AT32UC3A3128
Description
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

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322
AVR32
SATSUB.W – Saturated Subtract of Words
Architecture revision:
Architecture revision1 and higher.
Description
Performs a subtraction and stores the result in destination register. The result is saturated if a
two’s complement overflow occurs. If saturation occurs, the Q flag is set.
Operation:
I.
II.
Syntax:
I.
II.
Operands:
I.
II.
Status Flags:
Q
Opcode:
temp ← Rx - Ry;
temp ← Rs - SE(imm16));
Format I: OP1 = Rx, OP2 = Ry
Format II: OP1 = Rs, OP2 = SE(imm16)
if (OP1[31] ∧ ¬OP2[31] ∧ ¬temp[31]) ∨ (¬OP1[31] ∧ OP2[31] ∧ temp[31]) then
else
satsub.w Rd, Rx, Ry
satsub.w Rd, Rs, imm
{d, x, y} ∈ {0, 1, …, 15}
{d, s} ∈ {0, 1, …, 15}
imm ∈ {-32768, -32767, ..., 32767}
Format I: OP1 = Rx, OP2 = Ry
Format II: OP1 = Rs, OP2 = SE(imm16)
Q:
V:
N:
Z:
C:
if(OP1[31]==0) then
else
Rd ← temp
Q ← (OP1[31] ∧ ¬OP2[31] ∧ ¬temp[31]) ∨ (¬OP1[31] ∧ OP2[31] ∧ temp[31]) ∨
V ← (OP1[31] ∧ ¬OP2[31] ∧ ¬temp[31]) ∨ (¬OP1[31] ∧ OP2[31] ∧ temp[31])
N ← Rd[31]
Z ← (Rd[31:0] == 0)
C ← 0
Rd ← 0x7fffffff;
Rd ← 0x80000000;
32000D–04/2011

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