SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 536

• 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

35.4.6
Table 35-18. External Clock CLKIN Characteristics (VDDCORE set at 1.80V)
Table 35-19. External Clock CLKIN Characteristics (VDDCORE set at 1.75V)
Table 35-20. Externa Clock CLKIN Characteristics (VDDCORE set at 1.65V)
Table 35-21. External Clock CLKIN Characteristics (VDDCORE set at 1.55V)
536
Symbol
1/(t
t
t
t
Symbol
1/(t
t
t
t
Symbol
1/(t
t
t
t
Symbol
1/(t
t
t
t
CPCLKIN
CHCLKIN
CLCLKIN
CPCLKIN
CHCLKIN
CLCLKIN
CPCLKIN
CHCLKIN
CLCLKIN
CPCLKIN
CHCLKIN
CLCLKIN
CPCLKIN
CPCLKIN
CPCLKIN
CPCLKIN
AT91SAM7L128/64 Preliminary
)
)
)
)
External Clock CLKIN Characteristics
Parameter
Parameter
Parameter
CLKIN Clock Frequency
CLKIN Clock Period
CLKIN Clock High Half-period
CLKIN Clock Low Half-period
Parameter
CLKIN Clock Frequency
CLKIN Clock Period
CLKIN Clock High Half-period
CLKIN Clock Low Half-period
CLKIN Clock Frequency
CLKIN Clock Period
CLKIN Clock High Half-period
CLKIN Clock Low Half-period
CLKIN Clock Frequency
CLKIN Clock Period
CLKIN Clock High Half-period
CLKIN Clock Low Half-period
35.7
40.0
16.7
16.5
18.7
18.5
31.0
14.5
14.3
32.4
15.2
15.0
Min
Min
Min
Min
Max
Max
Max
Max
30.8
28
25
32
6257A–ATARM–20-Feb-08
Units
Units
Units
Units
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns