Sysmemelnreg (Index: 0X12, 0X1A, 0X22, 0X2A, 0X32); Memseln_Reg (Index: 0X13, 0X1B, 0X23, 0X2B, 0X33) - NEC VR4181 mPD30181 User Manual

17.4.15 SYSMEMELnREG (Index: 0x12, 0x1A, 0x22, 0x2A, 0x32)

Remark n = 0 to 4
SYSMEMEL0REG (0x12): for Window 0
SYSMEMEL1REG (0x1A): for Window 1
SYSMEMEL2REG (0x22): for Window 2
Bit 7
Name MWSTOPA
19
R/W R/W
Reset 0
Bit Name
7 to 0 MWSTOPA(19:12)
Low-order address bits used to determine the stop address of a memory address window.

17.4.16 MEMSELn_REG (Index: 0x13, 0x1B, 0x23, 0x2B, 0x33)

Remark n = 0 to 4
MEMSEL0_REG (0x13): for Window 0
MEMSEL1_REG (0x1B): for Window 1
MEMSEL2_REG (0x23): for Window 2
Bit 7
Name M16W1
R/W R/W
Reset 0
Bit Name
7, 6 M16W(1:0)
5 to 0 MWSTOPA(25:20)
The ECU automatically inserts wait states when memory windows are accessed in 16-bit width.
CHAPTER 17 COMPACTFLASH CONTROLLER (ECU)
6 5
MWSTOPA MWSTOPA MWSTOPA
18 17
R/W R/W
0 0
Memory window stop address bits 19 to 12
6 5
M16W0 MWSTOPA MWSTOPA
25
R/W R/W
0 0
Memory window wait state select for 16-bit accesses
00 : No additional wait state
01 : 2 additional wait states
10 : 3 additional wait states
11 : 4 additional wait states
Memory window stop address bits 25 to 20
User's Manual U14272EJ3V0UM
SYSMEMEL3REG (0x2A): for Window 3
SYSMEMEL4REG (0x32): for Window 4
4 3
MWSTOPA MWSTOPA
16 15
R/W R/W R/W
0 0
Function
MEMSEL3_REG (0x2B): for Window 3
MEMSEL4_REG (0x33): for Window 4
4 3
MWSTOPA MWSTOPA
24 23
R/W R/W R/W
0 0
Function
2 1
MWSTOPA MWSTOPA
14 13 12
R/W R/W
0 0
2 1
MWSTOPA MWSTOPA
22 21 20
R/W R/W
0 0
0
0
0
0
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