HD6412350 Hitachi, HD6412350 Datasheet - Page 846

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

MCR—Memory Control Register
826
Bit
Initial value
Read/Write
:
:
:
TP Cycle Control
0
1
TPC
R/W
7
0
1-state precharge cycle is inserted
2-state precharge cycle is inserted
Burst Access Enable
R/W
0
1
BE
6
0
Burst disabled (always full access)
For DRAM space access, access in fast page mode
RCDM
RAS/CS Down Mode
R/W
5
0
0
1
DRAM interface: RAS up mode selected
DRAM interface: RAS down mode selected
2-CAS Method Select
CW2
0
1
R/W
4
0
16-bit DRAM space selected
8-bit DRAM space selected
MXC1
Multiplex Shift Count
R/W
3
0
0
1
H'FED6
0
1
0
1
MXC0
R/W
2
0
8-bit shift
9-bit shift
10-bit shift
—
RLW1
R/W
Refresh Cycle Wait Control
1
0
0
1
0
1
0
1
RLW0
R/W
0
0
No wait state inserted
1 wait state inserted
2 wait states inserted
3 wait states inserted
Bus Controller