SAM7S64 Atmel Corporation, SAM7S64 Datasheet - Page 108
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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Note:
Figure 19-4. Code Read Optimization in Thumb Mode for FWS = 3
Note:
108
ARM Request (16-bit)
Buffer (32 bits)
Data To ARM
Flash Access
Master Clock
When FWS is equal to 1, in case of sequential reads, all the accesses are performed in a single-cycle access (except for the
first one).
When FWS is equal to 2 or 3, in case of sequential reads, the first access takes FWS cycles, the second access one cycle, the
third access FWS cycles, the fourth access one cycle, etc.
Code Fetch
SAM7S Series
@Byte 0
3 Wait State Cycles
Bytes 0-3
@2
0-1
3 Wait State Cycles
@4
2-3
Bytes 0-3
Bytes 4-7
@6
4-5
3 Wait State Cycles
@8
6-7
Bytes 8-11
Bytes 4-7
@10
8-9 10-11
3 Wait State Cycles
@12
Bytes 12-15
6175L–ATARM–28-Jul-11
Bytes 8-11
12-13
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