,
STC 89 1280 8/16/32/64k IAP SRAM ISP P0 8 P1 8051 E 2 PROM + P2 IAP STC Data Flash P4.0P4.3 P3 MAX810 I/O P4 A/D UART A / D 3 STC 89 P I I E 2 P 4 S A ROM EMI P P STC 89C51 RC 4K 512 2K STC 89C52 RC 8K 512 2K STC 89C53 RC 15K 512 STC 89C54 RD+ 16K 1280 16K STC 89C55 RD+ 20K 1280 16K STC 89C58 RD+ 32K 1280 16K STC 89C516 RD+ 64K 1280 STC 89LE51 RC 4K 512 2K STC 89LE52 RC 8K 512 2K STC 89LE53 RC 15K 512 STC 89LE54 RD+ 16K 1280 16K STC 89LE58 RD+ 32K 1280 16K STC 89LE516RD+ 64K 1280 STC 89LE516AD 64K 512 0.1uF 0.1uF 0.1uF, STC STC3232,STC232,MAX232,SP232 10uF 1 C1+ Vcc 16 Vcc 2 V+ GND 15 3 C1- T1OUT 14 4 C2+ R1IN 13 5 C2- R1OUT 12 6 V- T1IN 11 7 T2OUT T2IN 10 8 R2IN R2OUT 9 Gnd PC_RxD (COM Pin2) PC_TxD (COM Pin3) MCU_RxD (P3.0) MCU_TxD (P3.1) XTAL2 XTAL1 P3.0 VCC P3.1 89C52RC 89C58RD+ 89LE52RC 89LE516RD+ GND RESET Vcc Vcc
, 20-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP-20) Dimensions in Inches and (Millimeters) JEDEC STANDARD MS-001 AD, 20-lead, 0.300" Wide, Plastic Gull WIng Small Outline (SOIC-20 / SOP-20) Dimensions in Inches and (Millimeters)
0.1uF 0.1uF Vcc 0.1uF 1 C1+ Vcc 16 Vcc 2 V+ GND 15 3 C1- T1OUT 14 4 C2+ R1IN 13 5 C2- R1OUT 12 6 V- T1IN 11 7 T2OUT T2IN 10 8 R2IN R2OUT 9 Gnd PC_RxD (COM Pin2) PC_TxD (COM Pin3) Vcc
0.1uF 0.1uF Vcc 0.1uF 1 C1+ Vcc 16 Vcc 2 V+ GND 15 3 C1- T1OUT 14 4 C2+ R1IN 13 5 C2- R1OUT 12 6 V- T1IN 11 7 T2OUT T2IN 10 8 R2IN R2OUT 9 Gnd PC_RxD (COM Pin2) PC_TxD (COM Pin3) Vcc
12 / 1 / 12 6 6 6 6 6 6 4 8 6 6 8 4 8 4 8 6 6 8 8 8 8 6 8 4 3 3 3
12 / 1 / 6 4 4 6 6 4 4 6 6 4 4 6 6 4 3 3 6 4 3 3 24 12 9.6 3 1 / 6 4 4 6 3 6 6 4 4 6 3 6 6 4 4 6 3 6 12 6 12 12 12 12 12
1 / 4 L 4 6 6 8 L 6 8 8 8 8 4.8 6 6 4.8 6 4.8 12 1 / 0 12 0 3 1 12 1 3 12 3 8 8 8 8 4 8 8 8 6 6 4.8
I/O ( 8051 I/O, 20mA, 230µA, 250uA160uA 20mA (Open Drain) I/O ( 8051 I/O, 20mA, 230µA, 250uA160uA I/O P1.x A/D 8051 I/O, 20mA, 230µA, 250uA160uA 20mA I/O A/D (Open Drain) I/O A/D 20mA (Open Drain) I/O ( 8051 I/O, 20mA, 230µA, 250uA160uA 20mA (Open Drain)
= (12 x Pre-scale x 32768) / 11059200 = Pre-scale x 393216 / 11059200 } }
I/O P1.x A/D 8051 I/O, 20mA, 230µA 20mA I/O A/D (Open Drain) I/O A/D 1 / ) = 1024 x Vin / Vcc Vin Vcc = 256 x Vin / Vcc
CMOD CCON
0 0 0 0 Write to CCAPnL Write to CCAPnH 0 1 0 0 1 0 0
0 1 0 0 1 1 0
1 0 0 0 0 1 0
0.1uF 0.1uF Vcc 0.1uF 1 C1+ Vcc 16 Vcc 2 V+ GND 15 3 C1- T1OUT 14 4 C2+ R1IN 13 5 C2- R1OUT 12 6 V- T1IN 11 7 T2OUT T2IN 10 8 R2IN R2OUT 9 Gnd PC_RxD (COM Pin2) PC_TxD (COM Pin3) Vcc
SPI SPCTL 85h
SPI SPSTAT 84h SPI SPSTAT 84h SPI SPDAT 86h
SPI
, 20-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP-20) Dimensions in Inches and (Millimeters) JEDEC STANDARD MS-001 AD, 20-lead, 0.300" Wide, Plastic Gull WIng Small Outline (SOIC-20 / SOP-20) Dimensions in Inches and (Millimeters)
89C51RC 89C54RD+ 89C58RD+ 89LE516AD 10K RESET Vcc STC810 1 GND 2 RESET STC6345 VCC RESET GND RESET VCC 3 <1.25V PFI PFO Interrupt PFO=0 VCC RESET RESET uc / DSP 100K STC6344 VCC RESET GND MR <1.25V PFI PFO Interrupt PFO=0 VCC STC89C51RC STC813L STC89C52RC STC89C53RC STC89C54RD+ MR WDO STC89C58RD+ STC89C516RD+ VCC RESET RESET 100K GND WDI I/O <1.25V PFI PFO Interrupt PFO=0 STC6342 VCC RESET VCC RESET STC809 VCC RESET uc / DSP RESET Vcc 1 GND 2 RESET VCC 3 10K GND MR uc / DSP <1.25V PFI PFO Interrupt PFO=0 STC706S VCC uc / DSP STC708 VCC MR WDO VCC RESET RESET 100K GND WDI I/O <1.25V PFI PFO Interrupt PFO=0 MR RESET RESET VCC RESET 100K GND NC <1.25V PFI PFO Interrupt PFO=0 uc / DSP RESET