SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 5
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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3. Signal Description
Table 3-1.
6222F–ATARM–14-Jan-11
Signal Name
VDDIN
VDDOUT
VDDFLASH
VDDIO
VDDCORE
VDDPLL
GND
XIN
XOUT
PLLRC
PCK0 - PCK2
TCK
TDI
TDO
TMS
JTAGSEL
ERASE
NRST
TST
DRXD
DTXD
IRQ0 - IRQ1
FIQ
Signal Description List
Function
Voltage Regulator and ADC Power
Supply Input
Voltage Regulator Output
Flash and USB Power Supply
I/O Lines Power Supply
Core Power Supply
PLL
Ground
Main Oscillator Input
Main Oscillator Output
PLL Filter
Programmable Clock Output
Test Clock
Test Data In
Test Data Out
Test Mode Select
JTAG Selection
Flash and NVM Configuration Bits
Erase Command
Microcontroller Reset
Test Mode Select
Debug Receive Data
Debug Transmit Data
External Interrupt Inputs
Fast Interrupt Input
Clocks, Oscillators and PLLs
Flash Memory
ICE and JTAG
Debug Unit
Reset/Test
Power
AIC
Ground
Output
Output
Output
Output
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
Active
Level
High
High
Low
SAM7SE512/256/32
Comments
3V to 3.6V
1.85V
3V to 3.6V
3V to 3.6V or 1.65V to 1.95V
1.65V to 1.95V
1.65V to 1.95V
No pull-up resistor
No pull-up resistor
No pull-up resistor.
Pull-down resistor
Pull-down resistor
Open drain with pull-up resistor
Pull-down resistor
(1)
(1)
(1)
(1)
5
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