ATSAM3S Просмотр технического описания (PDF) - Atmel Corporation
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ATSAM3S Datasheet PDF : 60 Pages
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3. Signal Description
Table 3-1 gives details on the signal names classified by peripheral.
Table 3-1. Signal Description List
Signal Name
Function
Type
Active
Level
Power Supplies
VDDIO
Peripherals I/O Lines and USB transceiver
Power Supply
Power
VDDIN
Voltage Regulator Input, ADC, DAC and
Analog Comparator Power Supply
Power
VDDOUT
VDDPLL
Voltage Regulator Output
Oscillator and PLL Power Supply
Power
Power
VDDCORE
Power the core, the embedded memories
and the peripherals
Power
GND
Ground
Ground
XIN
XOUT
Main Oscillator Input
Main Oscillator Output
Clocks, Oscillators and PLLs
Input
Output
XIN32
XOUT32
Slow Clock Oscillator Input
Slow Clock Oscillator Output
Input
Output
PCK0 - PCK2
Programmable Clock Output
Output
TCK/SWCLK
TDI
TDO/TRACESWO
TMS/SWDIO
Serial Wire/JTAG Debug Port - SWJ-DP
Test Clock/Serial Wire Clock
Input
Test Data In
Input
Test Data Out / Trace Asynchronous Data
Out
Output
Test Mode Select /Serial Wire Input/Output Input / I/O
JTAGSEL
JTAG Selection
Input
High
Flash Memory
ERASE
Flash and NVM Configuration Bits Erase
Command
Input
High
NRST
Reset/Test
Synchronous Microcontroller Reset
I/O
Low
TST
Test Select
Input
Voltage
reference Comments
1.62V to 3.6V
1.8V to 3.6V(4)
1.8V Output
1.62 V to 1.95V
1.62V to 1.95V
VDDIO
Reset State:
- PIO Input
- Internal Pull-up disabled
- Schmitt Trigger enabled(1)
Reset State:
- PIO Input
- Internal Pull-up enabled
- Schmitt Trigger enabled(1)
VDDIO
Reset State:
- SWJ-DP Mode
- Internal pull-up disabled(5)
- Schmitt Trigger enabled(1)
Permanent Internal
pull-down
VDDIO
Reset State:
- Erase Input
- Internal pull-down enabled
- Schmitt Trigger enabled(1)
VDDIO
Permanent Internal
pull-up
Permanent Internal
pull-down
SAM3S [SUMMARY]
7
6500ES–ATARM–11-Feb-13
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