• P89c669 Serial Interrupt for UART 1
    Hi All i had tried to communicate the p89c669 uart1 with the PC with what ever char i had type thatshould display on Hypretrrminal, but hear i am facing problem, in my program i had created the 9600...
  • P89c669
    hi, I would like to program with philips 89c669 MX51 architecture. I have keil uvision2 V2.14 . This particular chip is not present in the device list. But keil version supports MX51 architecutre...
  • How to program serial interrupts in 8051C for p89c669
    Dear Friends... I am Ramesh, working on project on p89c669 MC. I am facing problem in programming serial interrupts in 8051C for p89c669. it has dual UARTs. what is interrupt no.s used by 8051C for...
  • P89C669
    Does (or when will) Keil support the P89C669 ? Alternately if the MX is supported (long address - no bank switching) can that be used with a 'homemade' sfr definition file for the 669? Erik
  • P89C669 & I2C
    P89C669 user manual page 71 indicate I2CON (91h) is bit addressable.! How can declare to compiler? My custom header file for P89C669 ; sfr I2CON = 0x91; sbit I2EN = I2CON^6; sbit STA = I2CON...