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Product>>MicroController>>STC 8051 series>>STC90C51RC series

STC90C51RC series

Features:

  • Enhanced 80C51 Central Processing Unit ,6T or 12T per machine cycle
  • Operation voltage range:
    • 5.5V~3.3V (STC90C51RC/RD+ series)
    • 2.0V~ 3.6V (STC90LE51RC/RD+ series)
  • Operation frequency range: 0-40MHz @ 6T, or 0- 80MHz @12T, the actual operation frequency can up to 48MHz
  • On-chip 4K/8K/13K/16K/32K/40K/48K/56K/61K FLASH program memory with flexible ISP/IAP capability
  • On-chip 1280 byte / 512 byte / 256 byte RAM
  • Be capable of addressing up to 64K byte of external RAM
  • Be capable of addressing up to 64K bytes external memory
  • Dual Data Pointer (DPTR) to speed up data movement
  • Three 16-bit timer/counter, Timer 2 is an up/down counter with programmable clcok output on P1.0
  • 8 vector-address, 4 level priority interrupt capability
  • One enhanced UART with hardware address-recognition, frame-error detection function, and with self baudrate generator.
  • One 15 bits Watch-Dog-Timer with 8-bit pre-scaler (one-time-enabled)
  • integrate MAX810 —specialized reset circuit
  • Two power management modes: idle mode and power-down mode
  • Low EMI: inhibit ALE emission
  • Power down mode can be woken-up by INT0/P3.2 pin, INT1/P3.3 pin, T0/P3.4, T1/P3.5, RXD/P3.0pin, INT2/P4.3, INT3/P4.2
  • 39 or 35 programmable I/O ports are available
  • Four 8-bit bi-directonal ports; extra four-bit additional P4 are available for PLCC-44 and LQFP-44
  • Operating temperature: -40 ~ +85oC (industrial) / 0~75oC (commercial)
  • package type : LQFP-44, PDIP-40, PLCC-44

Product Documents：

General Overview: STC90C51RC_Features.pdf

Data Sheet:STC90C51RC.pdf

ROSH:

SCH/PCB： STC SCH/PCB library

Sample Code：

library Function： STC90Cxx-Demo_C

Software Tools：

ISP programming software :STC ISP programming software (v4.88)

ISP programming software : STC ISP programming software (v6.91)

IDE software：STC IDE software(v0.1)

Development Tools：

STC90C51RC series Selection Table：

 

ParNo Voltage Flash SRAM EEPROM T
I
M
E
R		 6T or 12T DPTR Interrupt Priority Level I/O External
interrupts
which can
wake up
power down
mode		 Built
in
Reset 		W
D
T		 I
S
P		 I
A
P		 Package
STC90C51RC 5.5 - 3.8 4K 512 5K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C52RC 5.5 - 3.8 8K 512 5K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C10RC 5.5 - 3.8 10K 512 3K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C53RC 5.5 - 3.8 12K 512 1K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C13RC 5.5 - 3.8 13K 512   3 Y 2 4 39/35 4 Y Y Y   PDIP/PLCC/LQFP
STC90C54RD+ 5.5 - 3.8 16K 1280 45K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C58RD+ 5.5 - 3.8 32K 1280 29K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C510RD+ 5.5 - 3.8 32K 1280 21K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C512RD+ 5.5 - 3.8 32K 1280 13K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C514RD+ 5.5 - 3.8 32K 1280 5K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90C516RD+ 5.5 - 3.8 61K 1280 3 Y 2 4 39/35 4 Y Y Y   PDIP/PLCC/LQFP
STC90LE51RC 3.6 - 2.4 4K 512 5K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE52RC 3.6 - 2.4 8K 512 5K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE10RC 3.6 - 2.4 10K 512 3K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE53RC 3.6 - 2.4 12K 512 1K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE13RC 3.6 - 2.4 13K 512   3 Y 2 4 39/35 4 Y Y Y   PDIP/PLCC/LQFP
STC90LE54RD+ 3.6 - 2.4 16K 1280 45K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE58RD+ 3.6 - 2.4 32K 1280 29K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE510RD+ 3.6 - 2.4 32K 1280 21K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE512RD+ 3.6 - 2.4 32K 1280 13K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE514RD+ 3.6 - 2.4 32K 1280 5K 3 Y 2 4 39/35 4 Y Y Y Y PDIP/PLCC/LQFP
STC90LE516RD+ 3.6 - 2.4 61K 1280   3 Y 2 4 39/35 4 Y Y Y   PDIP/PLCC/LQFP

Sample & Buy:

Sample: Sample Request Form

Buy : Buy Online