Fujitsu MB90460 Series Hardware Manual page 640

CHAPTER 24 EXAMPLE OF F
• When the SIN0, SOT0 and SCK0 pins are also used by the user system, the control circuit shown below
is necessary, just as it is for P00. (During serial writing, the user circuit can be disconnected by the flash
microcontroller /TICS signal.)
• Before connecting the AF200, turn off the power supplied by the user.
• When supplying write power from the AF200, do not create a short with the power supplied by the user.
AF200
write control pin
AF200
/TICS pin
2
MC-16LX MB90F462/F462A/F463A CONNECTION FOR SERIAL WRITING
10k
User
MB90F462/F462A/F463A
write control pin
621