SAM7S64 Atmel Corporation, SAM7S64 Datasheet - Page 21
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SAM7S64
Manufacturer Part Number
SAM7S64
Description
Manufacturer
Atmel Corporation
Specifications of SAM7S64
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
32
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
1
Uart
3
Ssc
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
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
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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8.7
8.7.1
8.7.2
8.7.3
6175L–ATARM–28-Jul-11
Memory Mapping
Internal SRAM
Internal ROM
Internal Flash
After reset and until the Remap Command is performed, the SRAM is only accessible at address
0x0020 0000. After Remap, the SRAM also becomes available at address 0x0.
The SAM7S Series embeds an Internal ROM. The ROM contains the FFPI and the SAM-BA
program.
The internal ROM is not mapped by default.
At any time, the Flash is mapped to address 0x0010 0000. It is also accessible at address 0x0
after the reset and before the Remap Command.
Figure 8-2.
• The SAM7S512 embeds a high-speed 64-Kbyte SRAM bank.
• The SAM7S256 embeds a high-speed 64-Kbyte SRAM bank.
• The SAM7S128 embeds a high-speed 32-Kbyte SRAM bank.
• The SAM7S64 embeds a high-speed 16-Kbyte SRAM bank.
• The SAM7S321 embeds a high-speed 8-Kbyte SRAM bank.
• The SAM7S32 embeds a high-speed 8-Kbyte SRAM bank.
• The SAM7S161 embeds a high-speed 4-Kbyte SRAM bank.
• The SAM7S16 embeds a high-speed 4-Kbyte SRAM bank
• The SAM7S512 features two contiguous banks (dual plane) of 256 Kbytes of Flash.
• The SAM7S256 features one bank (single plane) of 256 Kbytes of Flash.
• The SAM7S128 features one bank (single plane) of 128 Kbytes of Flash.
• The SAM7S64 features one bank (single plane) of 64 Kbytes of Flash.
• The SAM7S321/32 features one bank (single plane) of 32 Kbytes of Flash.
• The SAM7S161/16 features one bank (single plane) of 16 Kbytes of Flash.
256 MBytes
Internal Memory Mapping
0x0000 0000
0x0010 0000
0x0020 0000
0x000F FFFF
0x001F FFFF
0x002F FFFF
0x0030 0000
0x0FFF FFFF
Flash Before Remap
Undefined Areas
SRAM After Remap
Internal Flash
Internal SRAM
(Abort)
SAM7S Series
253 MBytes
1 MBytes
1 MBytes
1 MBytes
21
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