SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 537

• 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

35.5
Table 35-22. Phase Lock Loop Characteristics
Note:
35.6
Table 35-23. Channel Conversion Time and ADC Clock
Notes:
Table 35-24. External Voltage Reference Input
6257A–ATARM–20-Feb-08
Symbol
Vdd
F
F
I
Parameter
ADC Clock Frequency
ADC Clock Frequency
Startup Time
Track and Hold Acquisition Time
Conversion Time
Throughput Rate
Parameter
ADVREF Input Voltage Range
ADVREF Average Current
Current Consumption on VDDCORE
PLL
OUT
IN
PLL Characteristics
Startup time depends on PLL RC filter. A calculation tool is provided by Atmel.
ADC Characteristics
1. Corresponds to 13 clock cycles at 6 MHz: 3 clock cycles for track and hold acquisition time and 10 clock cycles for
2. Corresponds to 15 clock cycles at 10 MHz: 5 clock cycles for track and hold acquisition time and 10 clock cycles for
conversion.
conversion
Parameter
Supply Voltage
Output Frequency
Input Frequency
Current Consumption
The user can drive ADC input with impedance up to:
with SHTIM (Sample and Hold Time register) expressed in ns and Z
• Z
• Z
OUT
OUT
≤ (SHTIM -440) x 20 in 8-bit resolution mode
≤ (SHTIM -550) x 16.6 in 10-bit resolution mode
Conditions
ADC Clock = 6MHz
Conditions
10-bit resolution mode
8-bit resolution mode
Return from Idle Mode
ADC Clock = 6MHz
ADC Clock = 10MHz
ADC Clock = 6MHz
ADC Clock = 10MHz
Conditions
Supplied by VDDCORE
Connected to SCLK
Active mode @ 20MHz @1.8V
Active mode @ 30MHz @1.8V
Active mode @ 40MHz @1.8V
Standby mode
AT91SAM7L128/64 Preliminary
1.60
Min
18
20
1.65
Min
Min
500
0.005
Typ
445
490
535
30
30
Typ
1.8
OUT
Typ
expressed in ohms.
Max
505
555
605
0.5
47
44
VDDCORE
Max
250
460
660
2.2
Max
1.67
10
15
6
1
(1)
(2)
MHz
Unit
KHz
µA
µA
V
Units
kSPS
Units
MHz
MHz
mA
µs
ns
µs
µA
V
537