System Installation
PQ7-M102XL Series User Manual
3-8
(2)
Point to LD9 and activate its function
CR07_P09 ; Point to LD9
outportb ( EFIR , 0x09 ) ;
outportb ( EFDR , 0x09 ) ;
LD9_CR30_bit1P1 ; Activate LD9
outportb ( EFIR , 0x30 ) ;
al_char1 = inportb ( EFDR ) | 0x02 ; // CR30_bit1P1
outportb ( EFIR , 0x30 ) ; // Activate LD9
outportb ( EFDR , al_char1 ) ;
(3)
LD9_CRF2_PFF ; Inverse input/output signals
outportb ( EFIR , 0xF2 ) ;
outportb ( EFDR , 0xFF ) ;
(4)
LD9_CRF0_PF0 ; Set GP30~33 as input pins and GP34~37 as output pins
outportb ( EFIR , 0xF0 ) ;
outportb ( EFDR , 0xF0 ) ;
(5)
LD9_CRF1
; Data Register for reading/writing data to GPIO pins
; E.g. if put four jumper caps on J12 pin1-2,3-4,5-6,and 7-8
; ( Warning : J22 pin9-10 is not allowed to be short circuit. )
; and then Write [1,0,1,0] to bit[3:0] , you can get [1,0,1,0] from
; bit[7:4].
