microcontroller

CH591F

Symbol
PA11/X32KO/TMR21PA10/X32KI/TMR12VDCID3VSW4VIO33/VDD335PA8/RXD16PA9/TMR0/TXD17PB15/TCK/MISO_/DTR8PB14/TIO/MOSI_/PWM10/DSR9PB13/SCK0_/TXD1_/DCD_10PB12/SCS_/RXD1_/RI_11PB11/UD+/TMR2_12PB10/UD-/TMR1_13PB7/TXD0/PWM914PB4/RXD0/PWM715GND29PA12/SCS/PWM4/AIN228PA13/SCK0/PWM5/AIN327PA14/MOSI/TXD0_/AIN426PA15/MISO/RXD0_/AIN525PA5/AIN124PA4/AIN023VDCIA22ANT21VINTA20X32MI19X32MO18PB22/TMR317PB23/RST/TMR0_/PWM1116
Footprint
2928272625242322141312111098212019181716157654321
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
PA11/X32KO/TMR2inputSMDroundrect0.2×0.8
PA10/X32KI/TMR1outputSMDroundrect0.2×0.8
VDCIDioSMDroundrect0.2×0.8
VSWpassiveSMDroundrect0.2×0.8
VIO33/VDD33passiveSMDroundrect0.2×0.8
PA8/RXD1passiveSMDroundrect0.2×0.8
PA9/TMR0/TXD1passiveSMDroundrect0.2×0.8
PB15/TCK/MISO_/DTRpassiveSMDroundrect0.2×0.8
PB14/TIO/MOSI_/PWM10/DSRpassiveSMDroundrect0.2×0.8
PB13/SCK0_/TXD1_/DCD_passiveSMDroundrect0.2×0.8
PB12/SCS_/RXD1_/RI_passiveSMDroundrect0.2×0.8
PB11/UD+/TMR2_passiveSMDroundrect0.2×0.8
PB10/UD-/TMR1_passiveSMDroundrect0.2×0.8
PB7/TXD0/PWM9passiveSMDroundrect0.2×0.8
PB4/RXD0/PWM7passiveSMDroundrect0.2×0.8
PB23/RST/TMR0_/PWM11passiveSMDroundrect0.2×0.8
PB22/TMR3passiveSMDroundrect0.2×0.8
X32MOpassiveSMDroundrect0.2×0.8
X32MIpassiveSMDroundrect0.2×0.8
VINTAinputSMDroundrect0.2×0.8
ANTpassiveSMDroundrect0.2×0.8
VDCIApassiveSMDroundrect0.2×0.8
PA4/AIN0passiveSMDroundrect0.2×0.8
PA5/AIN1passiveSMDroundrect0.2×0.8
PA15/MISO/RXD0_/AIN5passiveSMDroundrect0.2×0.8
PA14/MOSI/TXD0_/AIN4passiveSMDroundrect0.2×0.8
PA13/SCK0/PWM5/AIN3passiveSMDroundrect0.2×0.8
PA12/SCS/PWM4/AIN2passiveSMDroundrect0.2×0.8
GNDgroundSMDroundrect2.6×2.6

Key Parameters

Frequency
32kHz

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Details

Category
microcontroller
MPN
CH591F
Manufacturer
WCH(Jiangsu Qin Heng)
Package
QFN-28-EP(4x4)
Footprint
VQFN-28_L4.0-W4.0-P0.40-BL-EP2.6
JLCPCB
C42400560
LCSC
C42400560
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3

JLCPCB Stock & Pricing

In Stock(2,610 pcs)
1-9 pcs$0.7695
10-29 pcs$0.6249
30-99 pcs$0.5510
100-499 pcs$0.4788
500-999 pcs$0.4354
1000+ pcs$0.4129