Toshiba H1 SERIES TLCS-900 User Manual

Page 240

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TMP92CM22

2007-02-16

92CM22-238

(4) Memory controller (1/2)

Symbol Name

Address

7 6 5 4 3 2 1 0

B0WW2

B0WW1

B0WW0

B0WR2

B0WR1

B0WR0

W W

0 1 0 0 1 0

B0CSL

Block 0

MEMC
control

register

low

0140H

(Prohibit

RMW)

Write

waits

001: 0 waits

010: 1 wait

101: 2 waits

110: 3 waits

111: 4 waits 011:

WAIT

pin

Others: Reserved

Read

waits

001: 0 waits

010: 1 wait

101: 2 waits

110: 3 waits

111: 4 waits 011:

WAIT

pin

Others: Reserved

B0E

− B0REC

B0OM1

B0OM0

B0BUS1

B0BUS0

W

0 0 0 0 0 0 0/1

0/1

B0CSH

Block 0

MEMCT

control

register

high

0141H

(Prohibit

RMW)

CS select
0: Disable
1: Enable

Always
write “0”.

Always
write “0”.

0: No insert
dummy
cycle
(Default)
1: Insert
dummy
cycle

00: ROM/SRAM
01: Reserved
10: Reserved
11: Reserved

Data bus width
00: 8 bits
01: 16 bits
10: Reserved
11: Reserved

B1WW2

B1WW1

B1WW0

B1WR2

B1WR1

B1WR0

W W

0 1 0 0 1 0

B1CSL

Block 1

MEMC
control

register

low

0144H

(Prohibit

RMW)

Write

waits

001: 0 waits

010: 1 wait

101: 2 waits

110: 3 waits

111: 4 waits 011:

WAIT

pin

Others: Reserved

Read

waits

001: 0 waits

010: 1 wait

101: 2 waits

110: 3 waits

111: 4 waits 011:

WAIT

pin

Others: Reserved

B1E

− B1REC

B1OM1

B1OM0

B1BUS1

B1BUS0

W

0 0 0 0 0 0 0/1

0/1

B1CSH

Block 1

MEMC
control

register

high

0145H

(Prohibit

RMW)

CS select
0: Disable
1: Enable

Always
write “0”.

Always
write “0”.

0: No insert
dummy
cycle
(Default)
1: Insert
dummy

00: ROM/SRAM
01: Reserved
10: Reserved
11: Reserved

Data bus width
00: 8

bits

01: 16

bits

10: Reserved
11: Reserved

B2WW2

B2WW1

B2WW0

B2WR2

B2WR1

B2WR0

W W

0 1 0 0 1 0

B2CSL

Block 2

MEMC
control

register

low

0148H

(Prohibit

RMW)

Write

waits

001: 0 waits

010: 1 wait

101: 2 waits

110: 3 waits

111: 4 waits 011:

WAIT

pin

Others: Reserved

Read

waits

001: 0 waits

010: 1 wait

101: 2 waits

110: 3 waits

111: 4 waits 011:

WAIT

pin

Others: Reserved

B2E B2M

− B2REC

B2OM1

B2OM0

B2BUS1

B2BUS0

W

1 0 0 0 0 0 0/1

0/1

B2CSH

Block 2

MEMC
control

register

high

0149H

(Prohibit

RMW)

CS select
0: Disable
1: Enable

0: 16 MB
1: Sets
area

Always
write “0”.

0: No insert
dummy
cycle
(Default)
1: Insert
dummy
cycle

00: ROM/SRAM
01: Reserved
10: Reserved
11: Reserved

Data bus width

00: 8 bits
01: 16 bits
10: Reserved
11: Reserved

B3WW2

B3WW1

B3WW0

B3WR2

B3WR1

B3WR0

W W

0 1 0 0 1 0

B3CSL

Block 3

MEMC
control

register

low

014CH

(Prohibit

RMW)

Write

waits

001: 0 waits

010: 1 wait

101: 2 waits

110: 3 waits

111: 4 waits 011:

WAIT

pin

Others: Reserved

Read

waits

001: 0 waits

010: 1 wait

101: 2 waits

110: 3 waits

111: 4 waits 011:

WAIT

pin

Others: Reserved

B3E

− B3REC

B3OM1

B3OM0

B3BUS1

B3BUS0

W

0 0 0 0 0 0 0/1

0/1

B3CSH

Block 3

MEMC
control

register

high

014DH

(Prohibit

RMW)

CS select
0: Disable
1: Enable

Always
write “0”.

Always
write “0”.

0: No insert
dummy
cycle
(Default)
1: Insert
dummy
cycle

00: ROM/SRAM
01: Reserved
10: Reserved
11: Reserved

Data bus width
00: 8 bits
01: 16 bits
10: Reserved
11: Reserved

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