SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 536
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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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
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