Integrated Silicon Solution IS89C52
IS89C52 is a high-performance microcontroller fabricated using high-density CMOS technology. The CMOS IS89C52 is functionally compatible with the industry standard 80C51 microcontrollers. The IS89C52 is designed with 8-Kbytes of Flash memory, 258 x 8 RAM; 32 programmable I/O lines; a serial I/O port for either multiprocessor communications, I/O expansion or full duplex UART; three 16-bit timer/counters; an eight-source, two-priority-level, nested interrupt structure; and an on-chip oscillator and clock circuit.| Part No. | IS89C52 |
|---|---|
| Datasheet | IS89C52 Download |
| Manufacturer |  Integrated Silicon Solution |
| Description | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
| Buy | Stock & Price |
GENERAL DESCRIPTION
ISSI® ®FEATURES
● 80C51 based architecture● 8-Kbytes of on-chip Reprogrammable Flash Memory
● 256 x 8 RAM
● Three 16-bit Timer/Counters
● Full duplex serial channel
● Boolean processor
● Four 8-bit I/O ports, 32 I/O lines
● Memory addressing capability – 64K ROM and 64K RAM
● Program memory lock – Lock bits (3)
● Power save modes: – Idle and power-down
● Eight interrupt sources
● Most instructions execute in 0.3 µs
● CMOS and TTL compatible
● Maximum speed: 40 MHz @ Vcc = 5V
● Industrial temperature available
● Packages available: – 40-pin DIP – 44-pin PLCC – 44-pin PQFP The ISSI The IS89C52 can be expanded using standard TTL compatible memory. T2/P1.0 T2EX/P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RST RxD/P3.0 TxD/P3.1 INT0/P3.2 INT1/P3.3 T0/P3.4 T1/P3.5 WR/P3.6 RD/P3.7 XTAL2 XTAL1 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VCC P0.0/AD0 P0.1/AD1 P0.2/AD2 P0.3/AD3 P0.4/AD4 P0.5/AD5 P0.6/AD6 P0.7/AD7 EA/VPP ALE/PROG PSEN P2.7/A15 P2.6/A14 P2.5/A13 P2.4/A12 P2.3/A11 P2.2/A10 P2.1/A9 P2.0/A8 Figure 1.
