SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 101
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SAM3U4E
Manufacturer Part Number
SAM3U4E
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U4E
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
96 MHz
Cpu
Cortex-M3
# Of Touch Channels
57
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
5
Twi (i2c)
2
Uart
5
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
50
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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13.11 Memory access instructions
6430E–ATARM–29-Aug-11
Table 13-17
Table 13-17. Memory access instructions
Mnemonic
ADR
CLREX
LDM{mode}
LDR{type}
LDR{type}
LDR{type}T
LDR
LDREX{type}
POP
PUSH
STM{mode}
STR{type}
STR{type}
STR{type}T
STREX{type}
shows the memory access instructions:
Brief description
Load PC-relative address
Clear Exclusive
Load Multiple registers
Load Register using immediate
offset
Load Register using register offset
Load Register with unprivileged
access
Load Register using PC-relative
address
Load Register Exclusive
Pop registers from stack
Push registers onto stack
Store Multiple registers
Store Register using immediate
offset
Store Register using register offset
Store Register with unprivileged
access
Store Register Exclusive
See
“ADR” on page 102
“CLREX” on page 116
“LDM and STM” on page 111
“LDR and STR, immediate offset” on
page 103
“LDR and STR, register offset” on page
106
“LDR and STR, unprivileged” on page
108
“LDR, PC-relative” on page 109
“LDREX and STREX” on page 114
“PUSH and POP” on page 113
“PUSH and POP” on page 113
“LDM and STM” on page 111
“LDR and STR, immediate offset” on
page 103
“LDR and STR, register offset” on page
106
“LDR and STR, unprivileged” on page
108
“LDREX and STREX” on page 114
SAM3U Series
101
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