TMP92CM27 Datasheet, PDF (467/502 Pages) Toshiba Semiconductor – CMOS 32-Bit Microcontroller

TMP92CM27
Symbol
Memory controller (2/3)
Name
Address
7
B4CSL
BLOCK 4
MEMC
control
register Low
0150H
(Prohibit
RMW)
B4CSH
BLOCK 4
MEMC
control
register High
0151H
(Prohibit
RMW)
B4E
W
0
CS select
0:Disable
1:Enable
B5CSL
BLOCK 4
MEMC
control
register Low
0154H
(Prohibit
RMW)
B5CSH
BLOCK 4
MEMC
control
register High
0155H
(Prohibit
RMW)
B5E
W
0
CS select
0:Disable
1:Enable
BEXCSL
BLOCK EX
MEMC
control
register Low
0158H
BLOCK EX
-
BEXCSH
MEMC
control
0159H
-
register High
-
Page ROM
PMEMCR control
register
0166H
6
5
4
B4WW2
0
Write waits
001:0WAIT
101:2WAIT
B4WW1
W
1
B4WW0
0
010:1WAIT
110:3WAIT
111:4WAIT
011: WAIT pin
Others:Reserved
-
-
B4REC
Always
write “0”
Always
write “0”
0
0: Not insert a
dummy cycle
1: Insert a
dummy cycle
B5WW2
0
Write waits
001:0WAIT
101:2WAIT
B5WW1
W
1
B5WW0
0
010:1WAIT
110:3WAIT
111:4WAIT
011: WAIT pin
Others:Reserved
-
-
B5REC
Always
write “0”
Always
write “0”
0
0: Not insert a
dummy cycle
1: Insert a
dummy cycle
BEXWW2 BEXWW1 BEXWW0
W
0
1
0
Write waits
001:2WAIT
010:1WAIT
101:2WAIT
110:2WAIT
011:1+NWAIT
Others:Reserved
0
Always
write “0”
0
Always
write “0”
0
Always
write “0”
-
-
OPGE
0
ROM page
access
0:Disable
1:Enable
3
2
1
0
B4WR2
0
Read waits
001:0WAIT
101:2WAIT
B4WR1
W
1
B4WR0
0
010:1WAIT
110:3WAIT
B4OM1
0
111:4WAIT
011: WAIT pin
Others:Reserved
B4OM0 B4BUS1 B4BUS0
W
0
0
0
00:ROM/SRAM
01:Reserved
10:Reserved
11:Reserved
B5WR2
0
Read waits
001:0WAIT
101:2WAIT
Data Bus width
00:8bit
01:16bit
10:Reserved
11:Reserved
B5WR1 B5WR0
W
1
0
010:1WAIT
110:3WAIT
B5OM1
0
111:4WAIT
011: WAIT pin
Others:Reserved
B5OM0 B5BUS1 B5BUS0
W
0
0
0
00:ROM/SRAM
01:Reserved
10:Reserved
11:Reserved
Data Bus width
00:8bit
01:16bit
10:Reserved
11:Reserved
BEXWR2 BEXWR1 BEXWR0
W
0
1
0
Read waits
001:2WAIT
010:1WAIT
101:2WAIT
110:2WAIT
011:1+NWAIT
Others:Reserved
BEXOM1 BEXOM0 BEXBUS1 BEXBUS0
W
0
0
0
0
00:ROM/SRAM
Data Bus width
01:Reserved
10:Reserved
11:Reserved
00:8bit
01:16bit
10:Reserved
11:Reserved
OPWR1 OPWR0
PR1
PR0
R/W
0
0
1
0
Wait number on page
00: 1state (n-1-1-1 mode)
01: 2state (n-2-2-2 mode)
10: 3state (n-3-3-3 mode)
11: Reserved
Byte number in a page
00: 64byte
01: 32byte
10: 16byte
11: 8byte
92CM27 - 411
2005-04-20