SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 144

• Manufacturer Part Number: SAM7L128
• 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

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