SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 14

• 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

List of Figures
xiv
Figure 3-11
Figure 3-12
Figure 3-13
Figure 3-14
Figure 3-15
Figure 3-16
Figure 3-17
Figure 3-18
Figure 3-19
Figure 3-20
Figure 3-21
Figure 3-22
Figure 4-1
Figure 4-2
Figure 4-3
Figure 4-4
Figure 4-5
Figure 4-6
Figure 4-7
Figure 5-1
Figure 5-2
Figure 5-3
Figure 5-4
Figure 5-5
Figure 5-6
Figure 7-1
Figure 7-2
Figure 7-3
Figure 7-4
Figure 7-5
Figure 7-6
Figure 7-7
Figure 7-8
Figure 7-9
Figure 7-10
Figure 7-11
Figure 7-12
Figure 7-13
Figure 7-14
Figure 7-15
Figure 7-16
Figure 7-17
Figure 7-18
Figure 7-19
Figure 7-20
Figure 7-21
Figure 7-22
External bus arrangement ...................................................................................... 3-17
Bidirectional bus timing ........................................................................................... 3-18
Unidirectional bus timing ......................................................................................... 3-18
External connection of unidirectional buses ........................................................... 3-19
Data write bus cycle ................................................................................................ 3-20
Data bus control circuit ........................................................................................... 3-20
Test chip data bus circuit ........................................................................................ 3-23
Memory access ....................................................................................................... 3-25
Two cycle memory access ...................................................................................... 3-26
Data replication ....................................................................................................... 3-28
Typical system timing ............................................................................................. 3-30
Reset sequence ...................................................................................................... 3-33
Coprocessor busy-wait sequence ............................................................................. 4-8
Coprocessor register transfer sequence ................................................................... 4-9
Coprocessor data operation sequence ................................................................... 4-10
Coprocessor load sequence ................................................................................... 4-11
Coprocessor connections with bidirectional bus ..................................................... 4-12
Coprocessor connections with unidirectional bus ................................................... 4-13
Connecting multiple coprocessors .......................................................................... 4-14
Typical debug system ............................................................................................... 5-4
ARM7TDMI block diagram ........................................................................................ 5-5
Debug state entry ..................................................................................................... 5-7
Clock switching on entry to debug state ................................................................. 5-10
ARM7TDM, TAP controller, and EmbeddedICE Logic ........................................... 5-13
DCC control register format .................................................................................... 5-16
General timing .......................................................................................................... 7-4
ABE control timing .................................................................................................... 7-6
Bidirectional data write cycle timing .......................................................................... 7-7
Bidirectional data read cycle timing .......................................................................... 7-8
Data bus control timing ............................................................................................. 7-9
Output 3-state timing .............................................................................................. 7-10
Unidirectional data write cycle timing ...................................................................... 7-11
Unidirectional data read cycle timing ...................................................................... 7-12
Configuration pin timing .......................................................................................... 7-13
Coprocessor timing ................................................................................................. 7-14
Exception timing ..................................................................................................... 7-15
Synchronous interrupt timing .................................................................................. 7-16
Debug timing ........................................................................................................... 7-17
DCC output timing .................................................................................................. 7-19
Breakpoint timing .................................................................................................... 7-20
TCK and ECLK timing ............................................................................................. 7-21
MCLK timing ........................................................................................................... 7-22
Boundary scan general timing ................................................................................ 7-23
Reset period timing ................................................................................................. 7-24
Output enable and disable times due to HIGHZ TAP instruction ............................ 7-25
Output enable and disable times due to data scanning .......................................... 7-25
ALE control timing ................................................................................................... 7-26
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