Memofflnreg (Index: 0X14, 0X1C, 0X24, 0X2C, 0X34); Memoffhnreg (Index: 0X15, 0X1D, 0X25, 0X2D, 0X35) - NEC VR4181 mPD30181 User Manual

17.4.17 MEMOFFLnREG (Index: 0x14, 0x1C, 0x24, 0x2C, 0x34)

Remark n = 0 to 4
MEMOFFL0REG (0x14): for Window 0
MEMOFFL1REG (0x1C): for Window 1
MEMOFFL2REG (0x24): for Window 2
Bit 7
Name OFFSETA
19
R/W R/W
Reset 0
Bit Name
7 to 0 OFFSETA(19:12)
This register is defined to maintain compatibility with the ExCA. Settings in this register have no meaning in the
V 4181.
R

17.4.18 MEMOFFHnREG (Index: 0x15, 0x1D, 0x25, 0x2D, 0x35)

Remark n = 0 to 4
MEMOFFH0REG (0x15): for Window 0
MEMOFFH1REG (0x1D): for Window 1
MEMOFFH2REG (0x25): for Window 2
Bit 7
Name WP
R/W R/W
Reset 0
Bit Name
7 WP
6 REG
5 to 0 OFFSETA(25:20)
346
CHAPTER 17 COMPACTFLASH CONTROLLER (ECU)
6 5
OFFSETA OFFSETA OFFSETA
18 17
R/W R/W
0 0
Card memory offset address bits 19 to 12
6 5
REG OFFSETA OFFSETA
25
R/W R/W
0 0
Write protect to the card through a memory window
0 : Write operation allowed
1 : Write operation prohibited
REG# (CF_REG#) signal active of the CompactFlash. This bit is used to set
which memory is to be used on accesses to the CompactFlash card.
0 : Common memory
1 : Attribute memory
Card memory offset address bits 25 to 20.
Remark This is defined to maintain compatibility with the ExCA. Settings in
these bits have no meaning in the V
User's Manual U14272EJ3V0UM
MEMOFFL3REG (0x2C): for Window 3
MEMOFFL4REG (0x34): for Window 4
4 3
OFFSETA OFFSETA
16 15
R/W R/W R/W
0 0
Function
MEMOFFH3REG (0x2D): for Window 3
MEMOFFH4REG (0x35): for Window 4
4 3
OFFSETA OFFSETA
24 23
R/W R/W R/W
0 0
Function
2 1
OFFSETA OFFSETA
14 13 12
R/W R/W
0 0
2 1
OFFSETA OFFSETA
22 21 20
R/W R/W
0 0
4181.
R
0
0
0
0