SAM7X128 Atmel Corporation, SAM7X128 Datasheet - Page 615

• Manufacturer Part Number: SAM7X128
• Manufacturer: Atmel Corporation

Specifications of SAM7X128

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 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

38.4.2
Table 38-9.
Notes:
6120I–ATARM–06-Apr-11
Symbol
1/(t
C
C
t
I
P
I
C
ST
DDST
DD ON
ON
L1
L
LEXT
(6)
CPMAIN
, C
(6)
L2
1. C
2. R
3. R
4. R
5. R
6. C
)
Main Oscillator Characteristics
S
S
S
S
S
L
and C
is the shunt capacitance.
= 100-200 Ω; C
= 50-100 Ω;
= 25-50 Ω; C
= 20-50 Ω; C
Main Oscillator Characteristics
Parameter
Crystal Oscillator Frequency
Internal Load Capacitance (C
Equivalent Load Capacitance
Duty Cycle
Startup Time
Standby Current Consumption
Drive level
Current dissipation
Maximum external capacitor
on XIN and XOUT
LEXT
→
SHUNT
SHUNT
C
SHUNT
SHUNT
= 2.5 - 3.0 pF; C
= 3.2 - 4.0 pF; C
= 2.0 - 2.5 pF; C
= 2.0 - 2.5 pF; C
L1
= C
C
L2
XIN
LEXT
M
M
)
M
M
= 7 -5 fF (typ, worst case).
= 10 - 8 fF (typ, worst case).
= 2 – 1.5 fF (typ, worst case) using 1 K ohm serial resistor on xout.
= 4 - 3 fF (typ, worst case).
Conditions
Integrated Load Capacitance
((XIN or XOUT))
Integrated Load Capacitance
(XIN and XOUT in series)
V
C
C
C
Standby mode
@3 MHz
@8 MHz
@16 MHz
@20 MHz
@3 MHz
@8 MHz
@16 MHz
@20 MHz
DDPLL
S
S
S
= 3 pF
= 7 pF
= 7 pF
AT91SAM7X
= 1.2 to 2V
(2)
(3)
(1)
(1)
(1)
(4)
(5)
C
1/(t
1/(t
1/(t
L
CPMAIN
CPMAIN
CPMAIN
C
XOUT
) = 16 MHz
LEXT
) = 3 MHz
) = 20 MHz
SAM7X512/256/128
Min
34
17
30
3
Typ
150
150
300
400
16
40
20
50
Max
14.5
250
250
450
550
1.4
20
46
23
70
15
30
50
50
10
1
1
MHz
Unit
ms
µA
µA
pF
pF
µΩ
pF
%
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