Fujitsu FR60 Hardware Manual page 208

CHAPTER 4 EXTERNAL BUS INTERFACE
❍ 16-bit bus width
(A) Word access
(a) PA1/PA0=00
B
(1) Output A1/A0=00
(2) Output A1/A0=10
LSB
MSB
(1) 00 01
(2)
10 11
16bits
(B) Halfword access
(a) PA1/PA0=00
B
(1) Output A1/A0=00
(1)
00 01
10 11
(C) Byte access
(a) PA1/PA0=00
B
(1) Output A1/A0=00
(1) 01
00
10 11
188
Figure 4.4-11 External Bus Access for 16-bit Bus Width
(b) PA1/PA0=01
B
(1) Output A1/A0=00
B
(2) Output A1/A0=10
B
(1) 00 01
(2)
10 11
(b) PA1/PA0=01
B
(1) Output A1/A0=00
B
(1)
00 01
10 11
(b) PA1/PA0=01
B
(1) Output A1/A0=00
B
(1) 01
00
10 11
(c) PA1/PA0=10
B
(1) Output A1/A0=00
B
(2) Output A1/A0=10
B
(1)
00 01
(2)
10 11
(c) PA1/PA0=10
B
(1) Output A1/A0=00
B
00 01
(1) 10 11
(c) PA1/PA0=10
B
(1) Output A1/A0=00
B
00 01
(1) 10 11
(d) PA1/PA0=11
B
(1) Output A1/A0=00
B
(2) Output A1/A0=10
B
(1)
00 01
(2)
10 11
(d) PA1/PA0=11
B
(1) Output A1/A0=00
B
00 01
(1)
10 11
(d) PA1/PA0=11
B
(1) Output A1/A0=00
B
00 01
(1) 10 11
B
B
B
B