答:

(1)

sfr T2CON=0xc8;

sfr T2MOD=0xc9;

sfr RCAP2L=0xca;

sfr RCAP2H=0xcb;

sfr TL2=0xcc;

sfr TH2=0xcd;

(2)

sbit CP_RL2=T2CON^0;

sbit C_T2=T2CON^1;

sbit TR2=T2CON^2;

sbit EXEN2=T2CON^3;

sbit TCLK=T2CON^4;

sbit RCLK=T2CON^5;

sbit EXF2=T2CON^6;

sbit TF2=T2CON^7;

(3)

sbit T2=P1^0;

sbit T2EX=P1^1;

sbit ET2=EI^5;

sbit PT2=IP^5;

(4)

sbit P0_0=P0^0;

sbit P0_1=P0^1;

sbit P0_2=P0^2;

sbit P0_3=P0^3;

sbit P0_4=P0^4;

sbit P0_5=P0^5;

sbit P0_6=P0^6;

sbit P0_7=P0^7;