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Product>>8051 MicroController>>STC89C51RC series


Features:

 

  • Enhanced 80C51 Central Processing Unit ,6T or 12T per machine cycle
  • Operation voltage range:
    • 5.5V~3.3V (STC89C series)
    • 2.0V~ 3.6V (STC89LE series)
  • Operation frequency range: 0- 48MHz@12T, or 0-24MHz@6T
  • On-chip 4/8/13/16/20/32/64K FLASH program memory with flexible ISP/IAP capability
  • On-chip 1280 byte / 512 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 baud- rate generator.
  • One 15 bits Watch-Dog-Timer with 8-bit pre-scaler (one-time-enabled)
  • integrate MAX810 — specialized reset circuit
  • Three 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/P3.0 pin, INT2/P4.3, INT3/P4.2
  • Maximum 39 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 ~ +85°C (industrial) / 0~75℃ (commercial)
  • package type :LQFP-44,PDIP-40,PLCC-44,PQFP44

 

Product Documents:

General Overview: STC89C51RC_Features.pdf

Data Sheet: STC89C51RC.pdf

ROSH:

Product Support:

ISP programming software :STC ISP programming software (v6.88)

Sample & Buy:

Sample:Sample Request Form

Buy :Buy Online

 

STC89C51RC series Selection Table:

 

12T/6T 8051 MCU Operating voltage (V) Flash (B) SARM (B) T
I
M
E
R
U
A
R
T
D
P
T
R
PCA/ PWM D/A A
/
D
W
D
T
E
E
P
R
O
M (B)
Internal low voltage interrupt Internal Reset threshold voltage can be configured External interrupts which can wake up power down mode Special timer for waking power down mode Package of 40-pin (35 I/O ports) Package of 44-pin (39 I/O ports)
STC89C51RC 5.5~3.3 4K 512 3 1 2 N N Y 4K Y N 4 N PDIP LQFP/ PLCC
STC89C52RC 5.5~3.3 8K 512 3 1 2 N N Y 4K Y N 4 N PDIP LQFP/ PLCC
STC89C53RC 5.5~3.3 13K 512 3 1 2 N N Y / Y N 4 N PDIP LQFP/ PLCC
STC89LE51RC 3.6~2.0 4K 512 3 1 2 N N Y 4K Y N 4 N PDIP LQFP/ PLCC
STC89LE52RC 3.6~2.0 8K 512 3 1 2 N N Y 4K Y N 4 N PDIP LQFP/ PLCC
STC89LE53RC 3.6~2.0 13K 512 3 1 2 N N Y / Y N 4 N PDIP LQFP/ PLCC
STC89C54RD+ 5.5~3.3 16K 1280 3 1 2 N N Y 45K Y N 4 N PDIP LQFP/ PLCC
STC89C58RD+ 5.5~3.3 32K 1280 3 1 2 N N Y 29K Y N 4 N PDIP LQFP/ PLCC
STC89C516RD+ 5.5~3.3 61K 1280 3 1 2 N N Y / Y N 4 N PDIP LQFP/ PLCC
STC89LE54RD+ 3.6~2.0 16K 1280 3 1 2 N N Y 45K Y N 4 N PDIP LQFP/ PLCC
STC89LE58RD+ 3.6~2.0 32K 1280 3 1 2 N N Y 29K Y N 4 N PDIP LQFP/ PLCC
STC89LE516RD+ 3.6~2.0 61K 1280 3 1 2 N N Y / Y N 4 N PDIP LQFP/ PLCC