Toshiba H1 Series - Manual (Page 697)

TMP92CZ26A
92CZ26A-694
(3) Memory controller (2/4)
Symbol Name Address 7 6 5 4 3 2 1 0
B3WW3 B3WW2 B3WW1 B3WW0 B3WR3 B3WR2 B3WR1 B3WR0
R/W
0 0 1 0 0 0 1 0
Write waits Read waits
0001: 0 waits
0101: 2 waits
0111: 4 waits
1001: 6 waits
1011: 8 waits
1101: 10 waits
1111: 16 waits
0010: 1 waits
0110: 3 waits
1000: 5 waits
1010: 7 waits
1100: 9 waits
1110: 12 waits
0100: 20 waits
0001: 0 waits
0101: 2 waits
0111: 4 waits
1001: 6 waits
1011: 8 waits
1101: 10 waits
1111: 16 waits
0010: 1 waits
0110: 3 waits
1000: 5 waits
1010: 7 waits
1100: 9 waits
1110: 12 waits
0100: 20 waits
0011: 6 states +
WAIT pin input mode 0011: 6 states +
WAIT pin input mode
B3CSL
BLOCK3
CS/WAIT
control
register
low
014CH
(Prohibit
RMW)
Others: Reserved Others: Reserved
B3E B3REC B3OM1 B3OM0 B3BUS1 B3BUS0
R/W R/W
0 0 0 0 0 0
B3CSH
BLOCK3
CS/WAIT
control
register
high
014DH
(Prohibit
RMW)
CS select
0: Disable
1: Enable Dummy
cycle
0:No
insert
1: Insert
00: ROM/SRAM
01: Reserved
10: Reserved
11: Reserved Data bus width
00: 8 bits
01: 16 bits
10: Reserved
11: Don’t set
BEXWW3 BEXWW2 BEXWW1 BEXWW0 BEXWR3 BEXWR2 BEXWR1 BEXWR0
R/W
0 0 1 0 0 0 1 0
Write waits Read waits
0001: 0 waits
0101: 2 waits
0111: 4 waits
1001: 6 waits
1011: 8 waits
1101: 10 waits
1111: 16 waits
0010: 1 waits
0110: 3 waits
1000: 5 waits
1010: 7 waits
1100: 9 waits
1110: 12 waits
0100: 20 waits
0001: 0 waits
0101: 2 waits
0111: 4 waits
1001: 6 waits
1011: 8 waits
1101: 10 waits
1111: 16 waits
0010: 1 waits
0110: 3 waits
1000: 5 waits
1010: 7 waits
1100: 9 waits
1110: 12 waits
0100: 20 waits
0011: 6 states +
WAIT pin input mode 0011: 6 states +
WAIT pin input mode
BEXCSL
BLOCK EX
CS/WAIT
control
register
low
0158H
(Prohibit
RMW)
Others: Reserved Others: Reserved
BEXREC BEXOM1 BEXOM0 BEXBUS1 BEXBUS0
R/W
0 0 0 0 0
BEXCSH
BLOCK EX
CS/WAIT
control
register
high
0159H
(Prohibit
RMW)
Dummy
cycle
0:No
insert
1: Insert
00: ROM/SRAM
01: Reserved
10: Reserved
11: Reserved Data bus width
00: 8 bits
01: 16 bits
10: Reserved
11: Don’t set