SAM9XE128 Atmel Corporation, SAM9XE128 Datasheet - Page 52
SAM9XE128
Manufacturer Part Number
SAM9XE128
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9260.pdf
(290 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9XE128.pdf
(860 pages)
4.SAM9XE128.pdf
(48 pages)
Specifications of SAM9XE128
Flash (kbytes)
128 Kbytes
Pin Count
217
Max. Operating Frequency
180 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
6
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
312
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.65 to 1.95
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9260 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9XE128 PDF datasheet #3
- SAM9XE128 PDF datasheet #4
- Current page: 52 of 290
- Download datasheet (5Mb)
Programmer’s Model
2-10
Banked registers have a mode identifier that indicates which User mode register they
are mapped to. These mode identifiers are shown in Table 2-1.
FIQ mode has seven banked registers mapped to r8–r14 (r8_fiq–r14_fiq). As a result
many FIQ handlers do not need to save any registers.
The Supervisor, Abort, IRQ, and Undefined modes each have alternative mode-specific
registers mapped to r13 and r14, allowing a private stack pointer and link register for
each mode.
Copyright © 2000 ARM Limited. All rights reserved.
Mode
User
Fast interrupt
Interrupt
Supervisor
Abort
System
Undefined
a. The usr identifier is usually omitted
Table 2-1 Register mode identifiers
from register names. It is only used in
descriptions where the User or System
mode register is specifically accessed
from another operating mode.
Mode identifier
usr
fiq
irq
svc
abt
usra
und
a
ARM DDI 0165B
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