SAM7XC256 Atmel Corporation, SAM7XC256 Datasheet - Page 203
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SAM7XC256
Manufacturer Part Number
SAM7XC256
Description
Manufacturer
Atmel Corporation
Specifications of SAM7XC256
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
Dac Resolution (bits)
No
Temp. Sensor
No
Crypto Engine
AES/DES
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
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ARM DDI 0029G
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
dout
doutu
ecapd
exd
exh
exth
exts
im
is
mckh
mckl
mdd
mdh
msd
msh
nen
nenh
opcd
opch
rg
Parameter
MCLKf to D[31:0] valid
MCLKf to DOUT[31:0] valid
TCK to ECAPCLK changing
MCLKf to nEXEC valid
nEXEC hold time from MCLKf
EXTERN[1:0] hold time from MCLKf
EXTERN[1:0] set up time to MCLKf
Asynchronous interrupt guaranteed nonrecognition time, with ISYNC=0
Asynchronous interrupt set up time to MCLKf for guaranteed recognition,
with ISYNC=0
MCLK HIGH time
MCLK LOW time
MCLKr to nTRANS, nM[4:0], and TBIT valid
nTRANS and nM[4:0] hold time from MCLKr
MCLKf to nMREQ and SEQ valid
nMREQ and SEQ hold time from MCLKf
MCLKf to nENOUT valid
nENOUT hold time from MCLKf
MCLKr to nOPC valid
nOPC hold time from MCLKr
MCLKf to RANGEOUT0, RANGEOUT1 valid
Copyright © 1994-2001. All rights reserved.
Table 7-23 AC timing parameters used in this chapter (continued)
Parameter
Type
Maximum
Maximum
Maximum
Maximum
Minimum
Minimum
Minimum
Maximum
Minimum
Minimum
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
AC and DC Parameters
Figure
cross
reference
Figure 7-3
Figure 7-5
Figure 7-7
-
Figure 7-1
Figure 7-1
Figure 7-13
Figure 7-13
Figure 7-11
Figure 7-11
Figure 7-17
Figure 7-1
Figure 7-1
Figure 7-1
Figure 7-17
Figure 7-1
Figure 7-3
Figure 7-4
Figure 7-7
Figure 7-8
Figure 7-3
Figure 7-1
Figure 7-1
Figure 7-13
Figure 7-17
7-31
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