SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 640

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SAM7SE256

Manufacturer Part Number
SAM7SE256
Description
Manufacturer
Atmel Corporation
Datasheets

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
Figure 40-10. SDRAMC Signals
640
D16 - D31
D16 - D31
A11 - A13
BA0/BA1
D0 - D15
D0 - D15
SAM7SE512/256/32
A0 - A9,
DQM0 -
DQM3
SDCKE
to Write
to Write
SDA10
SDWE
SDCK
SDCS
Read
Read
RAS
CAS
SDRAMC
1
SDRAMC
2
SDRAMC
3
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
4
11
13
5
7
9
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
10
12
14
6
8
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
15
11
13
17
5
9
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
16
10
12
14
18
6
19
21
SDRAMC
SDRAMC
20
22
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
15
23
11
13
17
25
27
5
9
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
16
24
10
12
14
18
26
28
6
6222F–ATARM–14-Jan-11

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