CY8C3866PVI-070(2011_03) 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY8C3866PVI-070 Datasheet PDF : 129 Pages
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PSoC® 3: CY8C38 Family
Data Sheet
Figure 2-6. Example PCB Layout for 100-pin TQFP Part for Optimal Analog Performance
Vssa
Vddd
Vssd
Vdda
Vssd
Plane
Vssa
Plane
3. Pin Descriptions
IDAC0, IDAC1, IDAC2, IDAC3
Low resistance output pin for high current DACs (IDAC).
OpAmp0out, OpAmp1out, OpAmp2out, OpAmp3out
High current output of uncommitted opamp[12].
Extref0, Extref1
External reference input to the analog system.
OpAmp0–, OpAmp1–, OpAmp2–, OpAmp3–
Inverting input to uncommitted opamp.
OpAmp0+, OpAmp1+, OpAmp2+, OpAmp3+
Noninverting input to uncommitted opamp.
GPIO
General purpose I/O pin provides interfaces to the CPU, digital
peripherals, analog peripherals, interrupts, LCD segment drive,
and CapSense[12].
I2C0: SCL, I2C1: SCL
I2C SCL line providing wake from sleep on an address match.
Any I/O pin can be used for I2C SCL if wake from sleep is not
required.
I2C0: SDA, I2C1: SDA
I2C SDA line providing wake from sleep on an address match.
Any I/O pin can be used for I2C SDA if wake from sleep is not
required.
Ind
Inductor connection to boost pump.
kHz XTAL: Xo, kHz XTAL: Xi
32.768-kHz crystal oscillator pin.
MHz XTAL: Xo, MHz XTAL: Xi
4- to 25-MHz crystal oscillator pin.
nTRST
Optional JTAG test reset programming and debug port
connection to reset the JTAG connection.
SIO
Special I/O provides interfaces to the CPU, digital peripherals
and interrupts with a programmable high threshold voltage,
analog comparator, high sink current, and high impedance state
when the device is unpowered.
SWDCK
Serial wire debug clock programming and debug port
connection.
SWDIO
Serial wire debug input and output programming and debug port
connection.
SWV.
Single wire viewer debug output.
TCK
JTAG test clock programming and debug port connection.
TDI
JTAG test data in programming and debug port connection.
TDO
JTAG test data out programming and debug port connection.
Note
12. GPIOs with opamp outputs are not recommended for use with CapSense.
Document Number: 001-11729 Rev. *R
Page 10 of 129
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