microcontroller

HT66L2540A-28QFN

Symbol
PB6/STPI/AN61PB3/AN32PB5/INT1/STPB/AN53PB4/INT0/PTP0B/AN44PB2/PTCK0/AN25VDD6PC4/XT27PC5/XT18VSS9PB0/AN0/VREF10PB1/STCK/AN111PD3/SCOM312PD2/SCOM213PD1/SCOM114PD0/SCOM015EP29PB7/RES#/AN728PA0/OCDSDA/ICPDA27PA2/OCDSCK/ICPCK26PA1/INT1/STP25PA3/INT0/PTP024PA5/STCK23PC0/STPI/SCS#22PC1/SDI/SDA/URX/UTX21PC2/SDO/UTX20PC3/SCK/SCL19PA4/PTCK0/VDDIO18PA6/OSC117PA7/OSC216
Footprint
2928272625242322141312111098212019181716157654321
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
PB6/STPI/AN6inputSMDroundrect0.2×0.8
PB3/AN3outputSMDroundrect0.2×0.8
PB5/INT1/STPB/AN5ioSMDroundrect0.2×0.8
PB4/INT0/PTP0B/AN4passiveSMDroundrect0.2×0.8
PB2/PTCK0/AN2passiveSMDroundrect0.2×0.8
VDDpowerSMDroundrect0.2×0.8
PC4/XT2passiveSMDroundrect0.2×0.8
PC5/XT1passiveSMDroundrect0.2×0.8
VSSgroundSMDroundrect0.2×0.8
PB0/AN0/VREFpassiveSMDroundrect0.2×0.8
PB1/STCK/AN1passiveSMDroundrect0.2×0.8
PD3/SCOM3passiveSMDroundrect0.2×0.8
PD2/SCOM2passiveSMDroundrect0.2×0.8
PD1/SCOM1passiveSMDroundrect0.2×0.8
PD0/SCOM0passiveSMDroundrect0.2×0.8
PA7/OSC2passiveSMDroundrect0.2×0.8
PA6/OSC1passiveSMDroundrect0.2×0.8
PA4/PTCK0/VDDIOpassiveSMDroundrect0.2×0.8
PC3/SCK/SCLpassiveSMDroundrect0.2×0.8
PC2/SDO/UTXpassiveSMDroundrect0.2×0.8
PC1/SDI/SDA/URX/UTXpassiveSMDroundrect0.2×0.8
PC0/STPI/SCS#passiveSMDroundrect0.2×0.8
PA5/STCKpassiveSMDroundrect0.2×0.8
PA3/INT0/PTP0passiveSMDroundrect0.2×0.8
PA1/INT1/STPpassiveSMDroundrect0.2×0.8
PA2/OCDSCK/ICPCKpassiveSMDroundrect0.2×0.8
PA0/OCDSDA/ICPDApassiveSMDroundrect0.2×0.8
PB7/RES#/AN7passiveSMDroundrect0.2×0.8
EPpassiveSMDroundrect2.6×2.6

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Details

Category
microcontroller
MPN
HT66L2540A-28QFN
Manufacturer
Holtek Semicon
Package
QFN-28
Footprint
VQFN-28_L4.0-W4.0-P0.40-BL-EP2.6
JLCPCB
C5363321
LCSC
C5363321
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
-

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