HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 360

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 9
Note:
Rev. 3.00 Jan. 18, 2008 Page 298 of 1458
REJ09B0033-0300
Bit
10
9
8 to 0
*
Bit Name
BSZ1
BSZ0

Bus State Controller (BSC)
CS0BCR samples the external pins (MD3 and MD4) that specify the bus width at
power-on reset.
Initial
Value
1*
1*
All 0
R/W
R/W
R/W
R
Description
Data Bus Width
Specify the data bus width of spaces.
00: Reserved (setting prohibited)
01: 8-bit size
10: 16-bit size
11: 32-bit size
Notes: 1. The data bus width for area 0 is specified by the
Reserved
These bits are always read as 0. The write value should
always be 0.
2. If area 5 or area 6 is specified as PCMCIA space,
3. If area 2 or area 3 is specified as SDRAM space,
external pin. The BSZ1 and BSZ0 bit settings in
CS0BCR are ignored.
the bus width can be specified as either 8 bits or
16 bits.
the bus width can be specified as either 16 bits or
32 bits.