SAM7XC512 Atmel Corporation, SAM7XC512 Datasheet - Page 24
SAM7XC512
Manufacturer Part Number
SAM7XC512
Description
Manufacturer
Atmel Corporation
Specifications of SAM7XC512
Flash (kbytes)
512 Kbytes
Pin Count
100
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
62
Ext Interrupts
62
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
3
Can
1
Ssc
1
Ethernet
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 Resolution (bits)
No
Temp. Sensor
No
Crypto Engine
AES/DES
Sram (kbytes)
128
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.3
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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Introduction
1.1
1.1.1
1-2
About the ARM7TDMI core
The instruction pipeline
The ARM7TDMI core is a member of the ARM family of general-purpose 32-bit
microprocessors. The ARM family offers high performance for very low power
consumption, and small size.
The ARM architecture is based on Reduced Instruction Set Computer (RISC)
principles. The RISC instruction set, and related decode mechanism are much simpler
than those of Complex Instruction Set Computer (CISC) designs. This simplicity gives:
•
•
•
This section describes:
•
•
•
•
The ARM7TDMI core uses a pipeline to increase the speed of the flow of instructions
to the processor. This allows several operations to take place simultaneously, and the
processing and memory systems to operate continuously.
A three-stage pipeline is used, so instructions are executed in three stages:
•
•
•
The instruction pipeline is shown in Figure 1-1 on page 1-3.
a high instruction throughput
an excellent real-time interrupt response
a small, cost-effective, processor macrocell.
The instruction pipeline on page 1-2
Memory access on page 1-3
Memory interface on page 1-4.
EmbeddedICE Logic on page 1-4.
Fetch
Decode
Execute.
Copyright © 1994-2001. All rights reserved.
ARM DDI 0029G
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