284
Table 10.13 Relationship between Bus Width, AMX Bits, and Address Multiplex Output
(cont)
Setting
External Address Pins
Bus
Width
Memory
Type
AMX
3
AMX
2
AMX
1
AMX
0
Output
Timing
A1 to
A8
A9
A10 A11 A12
A13 A14 A15 A16
2M
×
16bits
×
4banks
*
2
0
1
0
1
Column
address
A1 to
A8
A9
A10
L/H
*
3
A12
A22
*
4
A23
*
4
A24
Row
address
A10 to
A17
A18
A19
A20
A21
A22
*
4
A23
*
4
A24
1M
×
16bits
×
4banks
*
2
0
1
0
0
Column
address
A1 to
A8
A9
A10
L/H
*
3
A12
A21
*
4
A22
*
4
A15
Row
address
A 9 to
A16
A17
A18
A19
A20
A21
*
4
A22
*
4
A23
2M
×
8bits
×
4banks
*
2
0
1
0
1
Column
address
A1 to
A8
A9
A10
L/H
*
3
A12
A22
*
4
A23
*
4
A24
Row
address
A10 to
A17
A18
A19
A20
A21
A22
*
4
A23
*
4
A24
Notes:
*
1 Only RAL3L or CASL is output.
*
2 When addresses are upper 32 Mbytes,
RAS3U
or
CASU
is output.
When addresses are lower 32 Mbytes,
RAS3L
or
CASL
is output.
*
3 L/H is a bit used in the command specification; it is fixed at L or H according to the
access mode.
*
4 Bank address specification
Содержание SH7709S
Страница 2: ...Hitachi SuperH RISC engine SH7709S Hardware Manual ADE 602 250 Rev 1 0 09 21 01 Hitachi Ltd ...
Страница 75: ...56 ...
Страница 107: ...88 ...
Страница 125: ...106 ...
Страница 139: ...120 ...
Страница 203: ...184 ...
Страница 245: ...226 ...
Страница 292: ...273 T1 CKIO A25 to A0 CSn RD WR RD D31 to D0 WEn D31 to D0 BS T2 Read Write Figure 10 6 Basic Timing of Basic Interface ...
Страница 323: ...304 Tp TRr TRrw TRrw CKIO CKE CSn RAS3U RAS3L CASU CASL RD WR Figure 10 28 Synchronous DRAM Auto Refresh Timing ...
Страница 411: ...392 ...
Страница 609: ...590 ...
Страница 635: ...616 ...
Страница 663: ...644 ...
Страница 679: ...660 ...