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FUJITSU F2MCTM-16LX User Manual

Page 578

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CHAPTER 25 EXAMPLES OF MB90F362/T(S), MB90F367/T(S) SERIAL PROGRAMMING CONNECTION

Even if the SIN1, SOT1, and SCK1 pins are used for the user system, the control circuit shown in the

figure below is required. (The /TICS signal of the flash microcontroller programmer can be used to

disconnect the user circuit during serial programming.)

Figure 25.4-2 Control Circuit

Connect the AF220/AF210/AF120/AF110 while the user power is off.

User

10k

Write control pin

AF220/AF210/AF120/AF110
write control pin

AF220/AF210/AF120/AF110
/TICS pin

MB90F362/T(S),
MB90F367/T(S)