SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 182
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SAM7SE256
Manufacturer Part Number
SAM7SE256
Description
Manufacturer
Atmel Corporation
Specifications of SAM7SE256
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
48 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
88
Ext Interrupts
88
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
1
Uart
3
Ssc
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
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
Yes / 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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AC and DC Parameters
7.7
7-10
Output 3-state timing
Figure 7-6 shows the ARM7TDMI processor output 3-state timing. The timing
parameters used in Figure 7-6 are listed in Table 7-6.
MAS[1:0]
nTRANS
D[31:0]
A[31:0]
MCLK
LOCK
nOPC
nRW
TBE
Copyright © 1994-2001. All rights reserved.
Symbol
T
T
tbe
tbz
T
tbz
Parameter
Address and Data bus enable time from TBEr
Address and Data bus disable time from TBEf
T
tbe
Table 7-6 Output 3-state time timing parameters
Figure 7-6 Output 3-state timing
Maximum
Maximum
Parameter type
ARM DDI 0029G
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