ATSAM3S-EK Atmel, ATSAM3S-EK Datasheet - Page 310
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ATSAM3S-EK
Manufacturer Part Number
ATSAM3S-EK
Description
KIT EVAL FOR ATSAM3S4C
Manufacturer
Atmel
Series
SAM3Sr
Type
MCUr
Specifications of ATSAM3S-EK
Contents
Board, Cables, Power Supply
Silicon Manufacturer
Atmel
Core Architecture
ARM
Core Sub-architecture
Cortex-M3
Kit Contents
Board
Features
TFT Colour LCD Display, SD/MMC Interface
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3S-EK
Manufacturer:
Atmel
Quantity:
135
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19.2.3
19.2.4
19.2.4.1
Figure 19-3. SAM3SxB/C (64/100 pins) Parallel Programming Timing, Write Sequence
310
SAM3S Preliminary
Entering Programming Mode
Programmer Handshaking
Write Handshaking
MODE[3:0]
DATA[7:0]
The following algorithm puts the device in Parallel Programming Mode:
Note:
An handshake is defined for read and write operations. When the device is ready to start a new
operation (RDY signal set), the programmer starts the handshake by clearing the NCMD signal.
The handshaking is achieved once NCMD signal is high and RDY is high.
For details on the write handshaking sequence, refer to
NVALID
NCMD
• Apply GND, VDDIO, VDDCORE and VDDPLL.
• Apply XIN clock within T
• Wait for T
• Start a read or write handshaking.
NOE
RDY
1
After reset, the device is clocked by the internal RC oscillator. Before clearing RDY signal, if an
external clock (> 32 kHz) is connected to XIN, then the device switches on the external clock.
Else, XIN input is not considered. A higher frequency on XIN speeds up the programmer
handshake.
POR_RESET
2
3
POR_RESET
if an external clock is available.
4
5
Figure
19-3,
Figure 19-4
6500C–ATARM–8-Feb-11
and
Table
19-4.
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