AT89C52原理图

AT89S52实验板硬件原理图C2104C3104C1470uFC4470uF9VACR14K7PWCS2NC1CH14CH25CH03CH36DGND7DO10CLK12AGND8REF9SARS11DI13VCC14IC8ADC0834EA/VP31X119X218RESET9P3.7/RD17P3.6/WR16P3.2/INT012P3.3/INT113P3.4/T014P3.5/T115P101P112P123P134P145P15(MOSI)6P16(MISO)7P17(SCK)8P0039P0138P0237P0336P0435P0534P0633P0732P2021P2122P2223P2324P2425P2526P2627P2728PSEN29ALE/P30P3.1/TXD11P3.0/RXD10VCC40GND20IC5AT89S51SCK2SI3GND4PA05PW06PB07VCC8CS1IC7MCP41010A1B2Q03Q14Q25Q36Q410Q511Q612Q713CLK8MR9VCC14GND7IC674LS164R154K7CS0P00P01P02P03P04P05P06P07R7~14470R2010KR2110KSCLSDAC13104RXDTXDR2310KR22330RESETXT112MHzC1010PFC1110PFC9104RSTRSTR3210KCLKSDIDA_CS+5C15104SDICLKAD_CSRW110KR3310KCH0CH1CH2CH0CH1CH3RXDTXDMOSIMISO/P1.6CS0ROW0ROW1ROW2P1.6ROW0ROW1P1.7ROW2CS0CS4CS2CS3T1DA_CSCH212345678910ISP112JP2CON2T19012P00P01P02P03P04P05P06P07R24~311KINT1/KKGCS1T0SDOAD_CSSDICLKg1f1a1b1h1c1e1d1cbadhgefgfahcedd1e1c1h1b1a1f1g1R341KC17104CH3MISOSCKRSTMOSIe1d2com3f9g10h5a7com8hc4b6SEG1e1d2com3f9g10h5a7com8hc4b6SEG2e1d2com3f9g10h5a7com8hc4b6SEG3e1d2com3f9g10h5a7com8hc4b6SEG4共阳e1d2com3f9g10h5a7com8hc4b6SEG5共阳C16104C18104C12104bRW210KR21KD54007LD8LD71243IC2TLP521LD6LD5LD4LD3LD2R310KLD1+5VT59012INT0+5VTRIG2OUT34CVOLT5THOLD6DISCHG781RESETVCCGNDIC4555R194K7IC3MOC3021a+5VbR4330cdKKGeR5100/2WfghC6104C5103R63KRTNTC/10K+5VT1INT0+5VSDOSDASCL+5V+5V+5V+5V+5V+5V+5V+5V+5VCS1CS2CS3CS4SCK/P1.7DA+5V+5VCH3四通道A/D模块工频交流电同步电路在线编程接口D/A模块（数字电位器）数码显示电路EEPROM模块复位电路C7104gfahcedbgfahcedbgfahcedbR164K7CS1T29012+5VR174K7CS2T39012+5VR184K7CS3T49012+5V独立键盘矩阵键盘电路循环灯（指示灯）模块K0K1K2K3K7K11K10K6K9K5K8K4SW1SW2A01A12A23GND4WP7SDA5SCL6VCC8IC42402D44007D34007D24007D14007132IC17805稳压电源电路加热功率调整电路温度测量电路C8104CPU及时钟电路GNDC14104串口扩展电路