i did all these reading the datasheep 16f628a but still dont work
Code:
CLEAR
RCREG = 1
RCSTA .7=1
RCSTA.4=1
RCSTA.5 = 1
RCSTA.6=1
TXSTA.7=0
TXSTA.4=1
PIE1.5 = 1
PIR1.5=0 
OPTION_REG = %00000001 'F628 can use  4>7 pins to wake up sleep
INTCON.1 = 0
@ SLEEP 
@ NOP