ATSAM4S16BA-AU 查看數據表（PDF） - Atmel Corporation
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ATSAM4S16BA-AU Datasheet PDF : 67 Pages
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3. Signal Description
Table 3-1 gives details on 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
Voltage Regulator Output
Power
VDDPLL
Oscillator and PLL Power Supply
Power
VDDCORE
Power the core, the embedded memories
and the peripherals
Power
GND
Ground
Ground
Clocks, Oscillators and PLLs
XIN
Main Oscillator Input
Input
XOUT
Main Oscillator Output
Output
XIN32
Slow Clock Oscillator Input
Input
XOUT32
Slow Clock Oscillator Output
Output
PCK0 - PCK2
Programmable Clock Output
Output
RTCOUT0
Real Time Clock
Programmable RTC waveform output
Output
RTCOUT1
Programmable RTC waveform output
Output
Voltage
reference
VDDIO
VDDIO
Comments
1.62V to 3.6V
1.62V to 3.6V(4)
1.2V Output
1.08 V to 1.32V
1.08V to 1.32V
Reset State:
- PIO Input
- Internal Pull-up disabled
- Schmitt Trigger enabled(1)
Reset State:
- PIO Input
- Internal Pull-up enabled
- Schmitt Trigger enabled(1)
Reset State:
- PIO Input
- Internal Pull-up disabled
- Schmitt Trigger enabled(1)
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
VDDIO
Reset State:
- SWJ-DP Mode
- Internal pull-up disabled(5)
- Schmitt Trigger enabled(1)
Permanent Internal
pull-down
8 SAM4S Series [Preliminary]
11100BS–ATARM–31-Jul-12
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