SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 628

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SAM7X256

Manufacturer Part Number
SAM7X256
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM7X256

Flash (kbytes)
256 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)
64
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
38.8.6
38.8.6.1
Table 38-27. ICE Interface Timing Specification
Note:
628
Symbol
ICE
ICE
ICE
ICE
ICE
ICE
ICE
0
1
2
3
4
5
6
1. V
SAM7X512/256/128
JTAG/ICE Timings
VDDIO
ICE Interface Signals
Parameter
TCK Low Half-period
TCK High Half-period
TCK Period
TDI, TMS, Setup before TCK High
TDI, TMS, Hold after TCK High
TDO Hold Time
TCK Low to TDO Valid
from 3.0V to 3.6V, maximum external capacitor = 40pF
Figure 38-10. ICE Interface Signals
TMS/TDI
TCK
TDO
ICE
5
ICE
ICE
6
Conditions
0
(1)
(1)
(1)
(1)
(1)
(1)
(1)
ICE
ICE
2
3
ICE
Min
102
51
51
13
0
3
4
ICE
1
Max
20
6120I–ATARM–06-Apr-11
Units
ns
ns
ns
ns
ns
ns
ns

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