microcontroller

CH591D

Symbol
PA11/X32KO/TMR21PA10/X32KI/TMR12VDCID3VSW4VIO33/VDD335PA8/RXD16PA9/TMR0/TXD17PB11/UD+/TMR2_8PB10/UD-/TMR1_9PB7/TXD0/PWM910PB4/RXD0/PWM711GND21PA12/SCS/PWM4/AIN220PA13/SCK0/PWM5/AIN319PA14/MOSI/TXD0_/AIN418PA15/MISO/RXD0_/AIN517VDCIA16ANT15VINTA14X32MI13X32MO12
Footprint
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3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
PA11/X32KO/TMR2inputSMDroundrect0.2×0.665
PA10/X32KI/TMR1outputSMDroundrect0.2×0.665
VDCIDioSMDroundrect0.2×0.665
VSWpassiveSMDroundrect0.2×0.665
VIO33/VDD33passiveSMDroundrect0.2×0.665
PA8/RXD1passiveSMDroundrect0.665×0.2
PA9/TMR0/TXD1passiveSMDroundrect0.665×0.2
PB11/UD+/TMR2_passiveSMDroundrect0.665×0.2
PB10/UD-/TMR1_passiveSMDroundrect0.665×0.2
PB7/TXD0/PWM9passiveSMDroundrect0.665×0.2
PB4/RXD0/PWM7passiveSMDroundrect0.2×0.665
X32MOpassiveSMDroundrect0.2×0.665
X32MIpassiveSMDroundrect0.2×0.665
VINTAinputSMDroundrect0.2×0.665
ANTpassiveSMDroundrect0.2×0.665
VDCIApassiveSMDroundrect0.665×0.2
PA15/MISO/RXD0_/AIN5passiveSMDroundrect0.665×0.2
PA14/MOSI/TXD0_/AIN4passiveSMDroundrect0.665×0.2
PA13/SCK0/PWM5/AIN3passiveSMDroundrect0.665×0.2
PA12/SCS/PWM4/AIN2passiveSMDroundrect0.665×0.2
GNDgroundSMDroundrect1.65×1.65

Key Parameters

Frequency
32kHz

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View Datasheet

Details

Category
microcontroller
MPN
CH591D
Manufacturer
WCH(Jiangsu Qin Heng)
Package
QFN-20(3x3)
Footprint
QFN-20_L3.0-W3.0-P0.40-BL-EP1.7
JLCPCB
C20606919
LCSC
C20606919
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3

JLCPCB Stock & Pricing

In Stock(1,424 pcs)
1-9 pcs$0.6008
10-29 pcs$0.4932
30-99 pcs$0.4386
100-499 pcs$0.3856
500-999 pcs$0.3535
1000+ pcs$0.3374