Hitachi F-ZTAT H8/3039 Series Hardware Manual page 654

ASTCR—Access State Control Register
Bit
AST7
Initial value
Read/Write R/W
Area 7 to 0 access state control
AST7 to AST0
WCR—Wait Control Register
Bit
Initial value
Read/Write
Wait mode select 1 and 0
Bit 3 Bit 2
WMS1 WMS0 Wait Mode
0 0 Programmable wait mode
1 No wait states inserted by
wait-state controller
1 0 Pin wait mode 1
1 Pin auto-wait mode
648
7 6
AST6 AST5
1 1
R/W R/W
Bits 7 to 0
Number of States in Access Cycle
0 Areas 7 to 0 are two-state access areas
1 Areas 7 to 0 are three-state access areas
7 6
— —
1 1
— —
5 4
AST4 AST3
1 1
R/W R/W
5 4
— — WMS1
1 1
— — R/W
Wait count 1 and 0
Bit 1
WC1
0
1
H'ED
3 2
AST2 AST1
1 1
R/W R/W
H'EE
3 2
WMS0 WC1
0 0
R/W R/W
Bit 0
WC0 Number of Wait States
0 No wait states inserted by
wait-state controller
1
1 state inserted
0 2 states inserted
1 3 states inserted
Bus controller
1 0
AST0
1 1
R/W
Bus controller
1 0
WC0
1 1
R/W