SAM7SE32 Atmel Corporation, SAM7SE32 Datasheet - Page 230
SAM7SE32
Manufacturer Part Number
SAM7SE32
Description
Manufacturer
Atmel Corporation
Specifications of SAM7SE32
Flash (kbytes)
32 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)
8
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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25.4
230
SAM-BA Boot
SAM7SE512/256/32 Preliminary
The SAM-BA boot principle is to:
Figure 25-2. AutoBaudrate Flow Diagram
– Check if USB Device enumeration has occurred
– Check if the AutoBaudrate sequence has succeeded (see
– Once the communication interface is identified, the application runs in an infinite
loop waiting for different commands as in
Send Character '>'
Run SAM-BA Boot
Character '0x80'
Character '0x80'
Character '#'
Yes
Yes
Yes
received ?
received ?
received ?
Device
Setup
No
No
No
Table
25-1.
Test Communication
1st measurement
2nd measurement
UART operational
Figure
25-2)
6222F–ATARM–10-Jan-11
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