SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 297
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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29.9.14
Name:
Access:
• MOSCS: MOSCS Flag Status
0 = Main oscillator is not stabilized.
1 = Main oscillator is stabilized.
• LOCK: PLL Lock Status
0 = PLL is not locked
1 = PLL is locked.
• MCKRDY: Master Clock Status
0 = Master Clock is not ready.
1 = Master Clock is ready.
• PCKRDYx: Programmable Clock Ready Status
0 = Programmable Clock x is not ready.
1 = Programmable Clock x is ready.
6222F–ATARM–14-Jan-11
31
23
15
–
–
–
7
–
PMC Status Register
30
22
14
PMC_SR
Read-only
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
MCKRDY
27
19
11
–
–
–
3
PCKRDY2
LOCK
26
18
10
–
–
2
SAM7SE512/256/32
PCKRDY1
25
17
–
–
–
9
1
PCKRDY0
MOSCS
24
16
–
–
8
0
297
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