HD64F3028F25 Datasheet, PDF (200/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

H8/3028 Group chip
CS₂ (RAS₂)
CS₃ (RAS₃)
PB₄ (UCAS)
PB₅ (LCAS)
RD (WE)
A₁₀-A₁
D₁₅-D₀
2-CAS 16-Mbit DRAM
10-bit row address × 10-bit column address
× 16-bit organization
RAS
UCAS
LCAS
WE
No.1
A₉-A₀
D₁₅-D₀
OE
RAS
UCAS
LCAS
WE
No.2
A₉-A₀
D₁₅-D₀
OE
(a) Interconnections (example)
Area 2
Area 3
Area 4
Area 5
PB₄
(UCAS)
15
H'400000
PB₅
(LCAS)
87
0
DRAM (No.1)
H'5FFFFE
H'600000
H'7FFFFE
H'800000
DRAM (No.2)
H'9FFFFE
H'A00000
Normal
Normal
H'BFFFFE
CS₂ (RAS₂)
CS₃ (RAS₃)
CS₄
CS₅
(b) Address map
Figure 6.31 Interconnections and Address Map for 2-CAS 16-Mbit DRAMs with × 16-Bit
Organization
Rev. 2.00, 09/03, page 168 of 890