SH7730 Datasheet, PDF (402/1188 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

Section 11 Bus State Controller (BSC)
Table 11.18 Relationship between A2/3BSZ[1:0], A2/3ROW[1:0], A2/3COL[1:0], and
Address Multiplex Output (4)-2
Setting
A2/3
BSZ
[1:0]
A2/3
ROW
[1:0]
A2/3
COL
[1:0]
10 (16 bits) 01 (12 bits)
00 (8 bits)
Output Pin of Row Address Column Address Synchronous
This LSI
Output
Output
DRAM Pin
Function
A17
A25
A17
Unused
A16
A24
A16
A15
A23
A15
A14
A22*²
A22*²
A13
A21*²
A21*²
A13 (BA1)
A12 (BA0)
Specifies bank
A12
A20
A11
A19
A12
L/H*¹
A11
A10/AP
Address
Specifies
address/precharge
A10
A18
A10
A9
Address
A9
A17
A9
A8
A8
A16
A8
A7
A7
A15
A7
A6
A6
A14
A6
A5
A5
A13
A5
A4
A4
A12
A4
A3
A3
A11
A3
A2
A2
A10
A2
A1
A1
A9
A1
A0
A0
A8
A0
Unused
Example of connected memory
64-Mbit product (1 Mword x 16 bits x 4 banks, column 8 bits product): 1
Notes: 1. L/H is a bit used in the command specification; it is fixed at low or high according to the
access mode.
2. Bank address specification
Rev. 1.00 Sep. 19, 2007 Page 354 of 1136
REJ09B0359-0100