SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 118

• Manufacturer Part Number: SAM7SE256
• 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

20.2
20.2.1
Table 20-1.
118
Signal Name
VDDFLASH
VDDIO
VDDCORE
VDDPLL
GND
XIN
TST
PGMEN0
PGMEN1
Parallel Fast Flash Programming
SAM7SE512/256/32
Device Configuration
Signal Description List
Function
Flash Power Supply
I/O Lines Power Supply
Core Power Supply
PLL Power Supply
Ground
Main Clock Input.
This input can be tied to GND. In this
case, the device is clocked by the internal
RC oscillator.
Test Mode Select
Test Mode Select
Test Mode Select
In Fast Flash Programming Mode, the device is in a specific test mode. Only a certain set of pins
is significant. Other pins must be left unconnected.
Figure 20-1. Parallel Programming Interface
MODE[3:0]
DATA[15:0]
0 - 50MHz
NVALID
VDDIO
VDDIO
VDDIO
NCMD
NOE
RDY
Clocks
Power
Test
PGMD[15:0]
TST
PGMEN0
PGMEN1
PGMNCMD
PGMRDY
PGMNOE
PGMNVALID
PGMM[3:0]
XIN
Ground
Power
Power
Power
Power
Type
Input
Input
Input
Input
Active
Level
High
High
High
Comments
32KHz to 50MHz
Must be connected to VDDIO
Must be connected to VDDIO
Must be connected to VDDIO
VDDCORE
VDDIO
VDDPLL
VDDFLASH
GND
6222F–ATARM–14-Jan-11