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/AN6passiveSMDrect0.2×0.8
PB3/AN3passiveSMDrect0.2×0.8
PB5/INT1/STPB/AN5passiveSMDrect0.2×0.8
PB4/INT0/PTP0B/AN4passiveSMDrect0.2×0.8
PB2/PTCK0/AN2passiveSMDrect0.2×0.8
VDDpowerSMDrect0.2×0.8
PC4/XT2passiveSMDrect0.2×0.8
PC5/XT1passiveSMDrect0.2×0.8
VSSgroundSMDrect0.2×0.8
PB0/AN0/VREFpassiveSMDrect0.2×0.8
PB1/STCK/AN1passiveSMDrect0.2×0.8
PD3/SCOM3passiveSMDrect0.2×0.8
PD2/SCOM2passiveSMDrect0.2×0.8
PD1/SCOM1passiveSMDrect0.2×0.8
PD0/SCOM0passiveSMDrect0.2×0.8
PA7/OSC2passiveSMDrect0.2×0.8
PA6/OSC1passiveSMDrect0.2×0.8
PA4/PTCK0/VDDIOpassiveSMDrect0.2×0.8
PC3/SCK/SCLpassiveSMDrect0.2×0.8
PC2/SDO/UTXpassiveSMDrect0.2×0.8
PC1/SDI/SDA/URX/UTXpassiveSMDrect0.2×0.8
PC0/STPI/SCS#passiveSMDrect0.2×0.8
PA5/STCKpassiveSMDrect0.2×0.8
PA3/INT0/PTP0passiveSMDrect0.2×0.8
PA1/INT1/STPpassiveSMDrect0.2×0.8
PA2/OCDSCK/ICPCKpassiveSMDrect0.2×0.8
PA0/OCDSDA/ICPDApassiveSMDrect0.2×0.8
PB7/RES#/AN7passiveSMDrect0.2×0.8
EPpassiveSMDrect2.6×2.6

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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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