Major Chips Description 2-35
When offset 0F6h, D5=1 and offset 0FBh, D7=1; GPIOB[7:0] and GPIOA[7:0] output some clocks
for testing. The clocks are OTCOUNT, O16K, TCLK2, TCLK3, O128HZ, O16HZ, O8HZ, O4HZ,
O2HZ, O1Hz, ELCOUNT, DZCOUNT, SLCOUNT, RICOUNT, LBCOUNT[1:0].
Table 2-6 M7101 Original Pin Definition Setting
Original
pin
definition
D6=1 D7=1 D8=1 D9=1 D10=1 D11=1 D12=1 D13=1 D14=1
GPIOA7 POSSTA
GPIOA6 SPEKIN
GPIOA3 CONTRAST2 SLOWDN
GPIOA2 CONTRAST1
GPIOB7 STPCLKJ
GPIOB3 BRDYJ
GPIOC7 VCSJ
GPIOC6 SETUP
GPIOC5 EXTSW
GPIOC4 EJECYJ
GPIOC3 DOCKJ
Following is the default pulled values of GPIOA, GPIOB and GPIOC :
Pull high : GPIOA0, GPIOA4, GPIOB1, GPIOB3, GPIOB6, GPIOB7, GPIOC1, GPIOC2,
GPIOC5, GPIOC6, GPIOC7.
Pull low : Other GPIO pins.