In 8051 an external interrupt 1 vector address is of ________ and causes of interrupt if ____.
a) 000BH, a high to low transition on pin INT1
b) 001BH, a low to high transition on pin INT1
c) 0013H, a high to low transition on pin INT1
d) 0023H, a low to high transition on pin INT1
a) 000BH, a high to low transition on pin INT1
b) 001BH, a low to high transition on pin INT1
c) 0013H, a high to low transition on pin INT1
d) 0023H, a low to high transition on pin INT1