SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 131
SAM3U2C
Manufacturer Part Number
SAM3U2C
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U2C
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
96 MHz
Cpu
Cortex-M3
# Of Touch Channels
28
Hardware Qtouch Acquisition
No
Max I/o Pins
57
Ext Interrupts
57
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
4
Twi (i2c)
1
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
36
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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13.12.8.1
13.12.8.2
13.12.8.3
13.12.8.4
13.12.8.5
6430E–ATARM–29-Aug-11
REV
REV16
REVSH
REVHS
RBIT
REV, REV16, REVSH, and RBIT
Syntax
Operation
Restrictions
Condition flags
Examples
R3, R7
R0, R0
R0, R5
R3, R7
R7, R8
Reverse bytes and Reverse bits.
where:
op
cond
Rd
Rn
Use these instructions to change endianness of data:
REV
into big-endian data.
REV16
into big-endian data.
REVSH
Do not use SP and do not use PC
These instructions do not change the flags.
; Reverse byte order of value in R7 and write it to R3
; Reverse byte order of each 16-bit halfword in R0
; Reverse Signed Halfword
; Reverse with Higher or Same condition
; Reverse bit order of value in R8 and write the result to R7
op{cond} Rd, Rn
REV
REV16 Reverse byte order in each halfword independently.
REVSH Reverse byte order in the bottom halfword, and sign extend to 32 bits.
RBIT
16-bit signed big-endian data into 32-bit signed little-endian data
16-bit signed little-endian data into 32-bit signed big-endian data.
is any of:
Reverse byte order in a word.
Reverse the bit order in a 32-bit word.
is an optional condition code, see
is the destination register.
is the register holding the operand.
converts 32-bit big-endian data into little-endian data or 32-bit little-endian data
converts 16-bit big-endian data into little-endian data or 16-bit little-endian data
converts either:
.
“Conditional execution” on page
SAM3U Series
98.
131
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