FUJITSU MB91F109 FR30 - Manual (Page 176)

152
CHAPTER 4 BUS INTERFACE
■ Half-Word Access
Bus width Big endian mode Little endian mode
16-bit bus
width
8-bit bus
width
address: 0
D31 D31
AA WR0X CASL WEL
BB WR1X CASH WEH
D16
AA
BB
D00
1)
Control pin Internal register External pin
address: 0
D31 D31
BB WR0X CAS0 WEL
AA WR1X CAS1 WEH
D16
AA
BB
D00
1)
Control pin Internal register External pin
address: 2
D31 D31
CC WR0X CASL WEL
DD WR1X CASH WEH
D16
CC
DD
D00
1)
Control pin Internal register External pin
address: 0
D31 D31
DD WR0X CASL WEL
CC WR1X CASH WEH
D16
CC
DD
D00
1)
Control pin Internal register External pin
address: 0 1
D31 D31
AA BB WR0X CAS WE
D24
AA
BB
D00 D00
1) 2)
Control pin Internal register External pin
address: 0 1
D31 D31
BB AA WR0X CAS WE
D24
AA
BB
D00 D00
1) 2)
Control pin Internal register External pin
address: 2 3
D31 D31
CC DD WR0X CAS WE
D24
CC
DD
D00 D00
1) 2)
Control pin Internal register External pin
address: 2 3
D31 D31
DD CC WR0X CAS WE
D24
CC
DD
D00 D00
1) 2)
Control pin Internal register External pin