SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 144
SAM7L128
Manufacturer Part Number
SAM7L128
Description
Manufacturer
Atmel Corporation
Specifications of SAM7L128
Flash (kbytes)
128 Kbytes
Pin Count
144
Max. Operating Frequency
36 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
80
Ext Interrupts
80
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
3
Segment Lcd
40
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
460
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
6
Self Program Memory
YES
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)
1.8 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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Figure 19-3. Code Read Optimization in ARM Mode for FWS = 3
Note:
Figure 19-4. Code Read Optimization in ARM Mode for FWS = 4
Note:
144
Buffer 0 (128bits)
Buffer 1 (128bits)
Buffer 0 (128bits)
Buffer 1 (128bits)
ARM Request
ARM Request
Data To ARM
Flash Access
Master Clock
Flash Access
Data To ARM
Master Clock
When FWS is included between 1 and 3, in case of sequential reads, the first access takes (FWS+1) cycles, the other ones only
1 cycle.
When FWS is included between 4 and 10, in case of sequential reads, the first access takes (FWS+1) cycles, each first access
of the 128-bit read (FWS-2) cycles, and the others only 1 cycle.
(32-bit)
AT91SAM7L128/64 Preliminary
(32-bit)
@Byte 0
@Byte 0
XXX
XXX
XXX
Bytes 0-15
Bytes 0-15
XXX
XXX
@4
0-3
XXX
@4
0-3
@8
4-7
@8
4-7
@12 @16
Bytes 16-31
8-11
@12 @16
8-11
Bytes 16-31
12-15
12-15
Bytes 0-15
@20
16-19 20-23
@24
@20
Bytes 0-15
16-19
@28 @32
Bytes 32-47
24-27
@24
20-23
28-31 32-35
@28 @32
Bytes 32-47
24-27
@36 @40
Bytes 16-31
28-31
Bytes 16-31
36-39
@44 @48 @52
6257A–ATARM–20-Feb-08
Bytes 48-63
@36 @40
Bytes 32-47
40-43
32-35
44-47
Bytes 48-63
Bytes 32-47
36-39
48-51
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