GMS30C2216 Datasheet, PDF (134/320 Pages) Hynix Semiconductor – 16/32 BIT RISC/DSP

6-18
CHAPTER 6
Bits Name
Description
MEM0 = Non-DRAM (MCR(21) = 1):
15
MEM0ByteMode
Byte write access mode for address space MEM0
1 = WE0# .. WE3# act as byte write strobe
0 = WE0# .. WE3# act as byte enable signal
MEM0 = Non-DRAM (MCR(21) = 0):
15
DRAMType
1 = Fast Page Mode DRAMs
0 = EDO DRAMs
14..12 EntryTableMap
111 = MEM3
110 = reserved
101 = reserved
100 = reserved
011 = Internal RAM (IRAM)
010 = MEM2
001 = MEM1
000 = MEM0
11
MEM3BusHoldBrea 1 = Break Disabled
k
0 = Break Enabled
10
MEM2BusHoldBrea 1 = Break Disabled
k
0 = Break Enabled
9
MEM1BusHoldBrea 1 = Break Disabled
k
0 = Break Enabled
MEM0 = Non-DRAM (MCR(21) = 1):
8
MEM0BusHoldBrea 1 = Break Disabled
k
0 = Break Enabled
MEM0 = Non-DRAM (MCR(21) = 0):
8
DRAMBusHold
1 = Break Enabled, Bus Hold time 1 cycle
0 = Break Enabled, Bus Hold time 0 cycle
7..6 MEM3BusSize
11 = 8 bit
10 = 16 bit
01 = reserved
00 = 32 bit
5..4 MEM2BusSize
11 = 8 bit
10 = 16 bit
01 = reserved
00 = 32 bit
3..2 MEM1BusSize
11 = 8 bit
10 = 16 bit
01 = reserved
00 = 32 bit
1..0 MEM0BusSize
11 = 8 bit
10 = 16 bit
01 = reserved
00 = 32 bit
Table 6.6: Memory Control Register MC