Fujitsu MB90895 Series Hardware Manual page 171

Figure 3.9-1 Flow of Mode Pin Setting
Setting the pin mode
Flash memory
programing
YES
Flash programing
mode
MD2 MD1 MD0 MD2
"1" "1" "1" "0"
MD2 to MD0: Set to 0=V ss , 1=V cc . And also, do not set to other than above description.
NO
Internal vector
mode
MD1 MD0
"1" "1"
CHAPTER 3 CPU
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