Table 4-1 List Of 7901 Device - Toshiba TX79 Series User Manual

The following table is a register map of the individual modules. Please note that this table is
still under construction. See the tables in each relevant chapter for more information.
Name
SDRAM Memory Controller, Base Address 0x1E00_0000
D0PR
D1PR
D2PR
D3PR
DOMR
DEMR
DEESR
DEEAR
–
DREFRESH
DDRIVE SDRAM Interface Output Drive-Strength Control Register
D0LOW
D0HIGH
D1LOW
D1HIGH
D2LOW
D2HIGH
D3LOW
D3HIGH
CCR0
CSR0
SAR0
DAR0 Channel 0 Destination Address Register
BCR0
NRPR0 Channel 0 Next Record Pointer Register
--
CCR1
CSR1
SAR1
DAR1 Channel 1 Destination Address Register
BCR1
NRPR1 Channel 1 Next Record Pointer Register
--
CCR2
CSR2
SAR2
DAR2 Channel 2 Destination Address Register
BCR2
NRPR2 Channel 2 Next Record Pointer Register
-
CCR3
CSR3
SAR3
DAR3 Channel 3 Destination Address Register
BCR3
TX7901 User's Manual (Rev. 6.30T – Nov, 2001)
Chapter 4: Address Maps
Table 4-1 List of 7901 Device Registers
Register Description
DIMM 0 Parameters Register
DIMM 1 Parameters Register
DIMM 2 Parameters Register
DIMM 3 Parameters Register
Operation Mode Register
ECC Mode Register
ECC Error Status Register
ECC Error Address Register
RESERVED
Refresh Register
DIMM 0 LOW Address Decode
DIMM 0 HIGH Address Decode
DIMM 1 LOW Address Decode
DIMM 1 HIGH Address Decode
DIMM 2 LOW Address Decode
DIMM 2 HIGH Address Decode
DIMM 3 LOW Address Decode
DIMM 3 HIGH Address Decode
DMA Controller, Base Address 0x1E00_1000
Channel 0 Control Register
Channel 0 Status Register
Channel 0 Source Address Register
Channel 0 Byte Count Register
RESERVED
Channel 1 Control Register
Channel 1 Status Register
Channel 1 Source Address Register
Channel 1 Byte Count Register
RESERVED
Channel 2 Control Register
Channel 2 Status Register
Channel 2 Source Address Register
Channel 2 Byte Count Register
RESERVED
Channel 3 Control Register
Channel 3 Status Register
Channel 3 Source Address Register
Channel 3 Byte Count Register
Address
0x1E00_0000
0x1E00_0010
0x1E00_0020
0x1E00_0030
0x1E00_0040
0x1E00_0050
0x1E00_0060
0x1E00_0070
0x1E00_0080
0x1E00_0090
0x1E00_00A0
0x1E00_0100
0x1E00_0110
0x1E00_0120
0x1E00_0130
0x1E00_0140
0x1E00_0150
0x1E00_0160
0x1E00_0170
0x1E00_1000
0x1E00_1010
0x1E00_1020
0x1E00_1030
0x1E00_1040
0x1E00_1050
0x1E00_1060 - 0x1E00_10F0
0x1E00_1100
0x1E00_1110
0x1E00_1120
0x1E00_1130
0x1E00_1140
0x1E00_1150
0x1E00_1160 - 0x1E00_11F0
0x1E00_1200
0x1E00_1210
0x1E00_1220
0x1E00_1230
0x1E00_1240
0x1E00_1250
0x1E00_1260 - 0x1E00_12F0
0x1E00_1300
0x1E00_1310
0x1E00_1320
0x1E00_1330
0x1E00_1340
4-3
R/W Size(b)
R/W 128
R/W 128
R/W 128
R/W 128
R/W 128
R/W 128
R 128
R 128
R/W 128
R/W 128
R/W 128
R/W 128
R/W 128
R/W 128
R/W 128
R/W 128
R/W 128
R/W 128
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64
R/W 64