microcontroller

STC8051U-34K64-QFP44

Symbol
I2SSD_2/QSPIIO0/PWM7_2/PWM3N/SCL_2/MOSI/ADC5/P1.51I2SMCLK_4/I2SMCLK_2/QSPIIO1/PWM4P/MISO/RxD_3/ADC6/P1.62I2SCK_2/QSPICLK/PWM8_2/PWM4N/SCLK/TxD_3/ADC7/P1.73PWMAPS6_2/QSPINCS_3/ADC_ETR/MCLKO/RST/P4.74D-/RxD/INT4/P3.05I2SCK_4/QSPICLK_2/CCP1_2/SCLK_3/TxD2_2/RxD_4/P4.36D+/TxD/P3.17I2SCK/PWM_ETI2/PWM_ETI1/SCL_4/SCLK_4/INT0/P3.28PWMAPS5/I2SMCLK/SDA_4/MISO_4/INT1/P3.39PWMAPS6/I2SSD/MOSI_4/T1CLKO/T0/P3.410I2SWS/PWMFLT/SS_4/T0CLKO/T1/P3.511P3.6/INT2/WR_2/RxD_212P3.7/INT3/RD_2/TxD_213P5.6/XTALO/MCLKO_2/PWMAPS5_314P5.7/XTALI/PWMAPS6_315Gnd/ADC_AGnd/ADC_Vref-16P4.0/SS_3/ADCETR_2/QSPINCS_2/I2SWS_417P2.0/A8/T11/CCP0_3/PWM1P_3/ADCETR_3/I2SWS_318P2.1/A9/T11CLKO/CCP1_3/PWM1N_3/PWM5_3/I2SSD_319P2.2/A10/CCP2_3/PWM2P_3/I2SMCLK_320P2.3/A11/SDA/ECI_3/PWM2N_3/PWM6_3/PWM_ETI1_3/PWM_ETI2_3/I2SCK_321P2.4/A12/SS_2/SCL/PWM3P_322I2SWS_2/QSPINCS/PWM3P/CCP1/SDA_2/SS/ADC4/P1.444QSPIIO2/PWM6_2/PWM2N/CCP0/TxD2/ADC3/P1.343QSPIIO3/PWMETI2_4/PWMETI1_4/PWM2P/ECI/RxD2/ADC2/P1.242PWM5_2/PWM1N/CCP2/T2CLKO/ADC1/P1.141PWM1P/T2/ADC0/P1.040QSPIIO1_2/CCP0_2/MISO_3/RxD2_2/WR/P4.239ADC_VRef+/ADC_AVcc/Vcc38PWM1P_2/RxD3/AD0/ADC8/P0.037PWM5/PWM1N_2/TxD3/AD1/ADC9/P0.136PWM2P_2/RxD4/AD2/ADC10/P0.235PWM6/PWM2N_2/TxD4/AD3/ADC11/P0.334P0.4/ADC12/AD4/T3/PWM3P_233P0.5/ADC13/AD5/T3CLKO/CMP-/PWM3N_2/PWM732P0.6/ADC14/AD6/T4/CMP+_3/PWM4P_2/PWMFLT_231P0.7/AD7/T4CLKO/CMP+_2/PWM4N_2/PWM8/PWMFLT_330P4.6/CMP+/QSPIIO2_329P4.1/CMPO_2/ECI_2/MOSI_3/PWMETI1_2/PWMETI2_2/QSPIIO0_2/I2SSD_428P4.5/ALE/CMPO/QSPIIO3_327UCAP(P4.4/RD/TxD_4/CCP2_2/PWMAPS5_2)26P2.7/A15/SCLK_2/PWM4N_3/PWM8_3/QSPICLK_325P2.6/A14/MISO_2/PWM4P_3/QSPIIO1_324P2.5/A13/MOSI_2/PWM3N_3/PWM7_3/QSPIIO0_323
Footprint
1234567891011121314151617181920212223242526272829303132333435363738394041424344
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
I2SSD_2/QSPIIO0/PWM7_2/PWM3N/SCL_2/MOSI/ADC5/P1.5inputSMDoval0.43×2
I2SMCLK_4/I2SMCLK_2/QSPIIO1/PWM4P/MISO/RxD_3/ADC6/P1.6outputSMDoval0.43×2
I2SCK_2/QSPICLK/PWM8_2/PWM4N/SCLK/TxD_3/ADC7/P1.7ioSMDoval0.43×2
PWMAPS6_2/QSPINCS_3/ADC_ETR/MCLKO/RST/P4.7passiveSMDoval0.43×2
D-/RxD/INT4/P3.0passiveSMDoval0.43×2
I2SCK_4/QSPICLK_2/CCP1_2/SCLK_3/TxD2_2/RxD_4/P4.3passiveSMDoval0.43×2
D+/TxD/P3.1passiveSMDoval0.43×2
I2SCK/PWM_ETI2/PWM_ETI1/SCL_4/SCLK_4/INT0/P3.2passiveSMDoval0.43×2
PWMAPS5/I2SMCLK/SDA_4/MISO_4/INT1/P3.3passiveSMDoval0.43×2
PWMAPS6/I2SSD/MOSI_4/T1CLKO/T0/P3.4passiveSMDoval0.43×2
I2SWS/PWMFLT/SS_4/T0CLKO/T1/P3.5passiveSMDoval0.43×2
P3.6/INT2/WR_2/RxD_2passiveSMDoval2×0.43
P3.7/INT3/RD_2/TxD_2passiveSMDoval2×0.43
P5.6/XTALO/MCLKO_2/PWMAPS5_3passiveSMDoval2×0.43
P5.7/XTALI/PWMAPS6_3passiveSMDoval2×0.43
Gnd/ADC_AGnd/ADC_Vref-groundSMDoval2×0.43
P4.0/SS_3/ADCETR_2/QSPINCS_2/I2SWS_4passiveSMDoval2×0.43
P2.0/A8/T11/CCP0_3/PWM1P_3/ADCETR_3/I2SWS_3passiveSMDoval2×0.43
P2.1/A9/T11CLKO/CCP1_3/PWM1N_3/PWM5_3/I2SSD_3passiveSMDoval2×0.43
P2.2/A10/CCP2_3/PWM2P_3/I2SMCLK_3passiveSMDoval2×0.43
P2.3/A11/SDA/ECI_3/PWM2N_3/PWM6_3/PWM_ETI1_3/PWM_ETI2_3/I2SCK_3passiveSMDoval2×0.43
P2.4/A12/SS_2/SCL/PWM3P_3passiveSMDoval2×0.43
P2.5/A13/MOSI_2/PWM3N_3/PWM7_3/QSPIIO0_3passiveSMDoval0.43×2
P2.6/A14/MISO_2/PWM4P_3/QSPIIO1_3passiveSMDoval0.43×2
P2.7/A15/SCLK_2/PWM4N_3/PWM8_3/QSPICLK_3passiveSMDoval0.43×2
UCAP(P4.4/RD/TxD_4/CCP2_2/PWMAPS5_2)passiveSMDoval0.43×2
P4.5/ALE/CMPO/QSPIIO3_3passiveSMDoval0.43×2
P4.1/CMPO_2/ECI_2/MOSI_3/PWMETI1_2/PWMETI2_2/QSPIIO0_2/I2SSD_4passiveSMDoval0.43×2
P4.6/CMP+/QSPIIO2_3passiveSMDoval0.43×2
P0.7/AD7/T4CLKO/CMP+_2/PWM4N_2/PWM8/PWMFLT_3passiveSMDoval0.43×2
P0.6/ADC14/AD6/T4/CMP+_3/PWM4P_2/PWMFLT_2passiveSMDoval0.43×2
P0.5/ADC13/AD5/T3CLKO/CMP-/PWM3N_2/PWM7passiveSMDoval0.43×2
P0.4/ADC12/AD4/T3/PWM3P_2passiveSMDoval0.43×2
PWM6/PWM2N_2/TxD4/AD3/ADC11/P0.3passiveSMDoval2×0.43
PWM2P_2/RxD4/AD2/ADC10/P0.2passiveSMDoval2×0.43
PWM5/PWM1N_2/TxD3/AD1/ADC9/P0.1passiveSMDoval2×0.43
PWM1P_2/RxD3/AD0/ADC8/P0.0passiveSMDoval2×0.43
ADC_VRef+/ADC_AVcc/VccpassiveSMDoval2×0.43
QSPIIO1_2/CCP0_2/MISO_3/RxD2_2/WR/P4.2passiveSMDoval2×0.43
PWM1P/T2/ADC0/P1.0passiveSMDoval2×0.43
PWM5_2/PWM1N/CCP2/T2CLKO/ADC1/P1.1passiveSMDoval2×0.43
QSPIIO3/PWMETI2_4/PWMETI1_4/PWM2P/ECI/RxD2/ADC2/P1.2passiveSMDoval2×0.43
QSPIIO2/PWM6_2/PWM2N/CCP0/TxD2/ADC3/P1.3passiveSMDoval2×0.43
I2SWS_2/QSPINCS/PWM3P/CCP1/SDA_2/SS/ADC4/P1.4passiveSMDoval2×0.43

Key Parameters

Frequency
43MHz

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Details

Category
microcontroller
MPN
STC8051U-34K64-QFP44
Manufacturer
STC Micro
Package
LQFP-44(10x10)
Footprint
LQFP-44_L10.0-W10.0-P0.80-LS12.6-BL
JLCPCB
C24833776
LCSC
C24833776
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
-

JLCPCB Stock & Pricing

In Stock(155 pcs)
1-9 pcs$1.2450
10-29 pcs$1.0201
30-159 pcs$0.8964
160-479 pcs$0.7567
480-959 pcs$0.6940
960+ pcs$0.6667