Fujitsu FR60 Hardware Manual page 210

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CHAPTER 4 EXTERNAL BUS INTERFACE
■ Bus Width of Big Endian Data
Figure 4.4-6 shows the data bus width for a bus width of 16 bits.
Figure 4.4-7 shows the data bus width for a bus width of 8 bits.
192
Figure 4.4-6 Data Bus Width for 16-bit Bus Width
Internal register
Output address low-order digits
D31
AA
D23
BB
D15
CC
D07
DD
Figure 4.4-7 Data Bus Width for 8-bit Bus Width
Internal register
Output address low-order digits
read/write
D31
AA
D23
BB
D15
CC
D07
DD
External bus
"00"
"10"
read/write
AA
BB
External bus
"00"
"01" "10" "11"
AA
BB
D31
CC
D23
DD
D31
CC
DD

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