HD6417616 RENESAS [Renesas Technology Corp], HD6417616 Datasheet - Page 298

• Manufacturer Part Number: HD6417616
• Description: 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7600 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 7 Bus State Controller (BSC)
Notes: 1. Reserved. Do not set when SZ bit in MCR is 0 (16-bit bus width).
Rev. 2.00 Mar 09, 2006 page 272 of 906
REJ09B0292-0200
Bit 7: AMX2
0
1
For synchronous DRAM interface
2. See sction 7.5.11 for the method of connection to a 64-Mbit DRAM with a 2 M × 32-bit
3. See figure 7.2 for the method of connection to a 128-Mbit DRAM with a 4 M × 32-bit
4.
5.
5. See figure 7.4 for the method of connection to a 256-Mbit DRAM with an 8 M × 32-bit
configuration.
configuration.
configuration.
In the case of a 128-Mbit DRAM (8 M × 16-bit), connect to two 128 M bit DRAM
s (8 M × 16-bit) by 32-bit data width as Figure2.
Bit 5: AMX1
0
1
0
1
0
1
0
1
0
1
0
1
Bit 4: AMX0
Description
16-Mbit DRAM (1 M 16 bits),
64-Mbit DRAM (2 M 32 bits) *
16-Mbit DRAM (2 M 8 bits) *
16-Mbit DRAM (4 M 4 bits) *
4-Mbit DRAM (256 k
64-Mbit DRAM (4 M
128-Mbit DRAM (4 M × 32 bits) *
64-Mbit DRAM (8 M
128-Mbit DRAM (8 M × 16 bits) *
256-Mbit DRAM (8 M × 32 bits) *
Reserved (do not set)
2-Mbit DRAM (128 k
16 bits),
8 bits) *
16 bits)
16 bits)
1
1
1
,
2
3
1
1
*
*
4
4