Renesas SH7641 User Manual
Page 1026

Rev. 4.00 Sep. 14, 2005 Page 976 of 982
REJ09B0023-0400
Item Page
Revisions
(See Manual for Details)
Section 25 Electrical
Characteristics
Figure 25.37 Synchronous
DRAM Auto-Refreshing
Timing
(WTRP = 1 Cycle, WTRC =
3 Cycles)
Figure 25.38 Synchronous
DRAM Self-Refreshing
Timing
(WTRP = 1 Cycle)
Figure 25.39 Synchronous
DRAM Mode Register
Write Timing (WTRP = 1
Cycle)
Figure 25.41 Synchronous
DRAM Self-Refreshing
Timing in Low-Frequency
Mode
(WTRP = 2 Cycles)
949 to
951
and
953
(Hi-Z)*
3
D31 to D0
Note: 1. An address pin to be connected to pin A10 of SDRAM.
2. Waveform for
DACKn when active low is selected.
3. Pins D31 to D16 with weak keeper are retained as weak keepers.
This manual is related to the following products:
See also other documents in the category Renesas Hardware:
- Single-Chip Microcomputer M34551T2-MCU (42 pages)
- M3T-FLX-80NRA (6 pages)
- 70 (162 pages)
- M16C/30P (102 pages)
- PROM Programming Adapter PCA7427G02 (20 pages)
- R0E572110CFK00 (40 pages)
- H8/325 Series (20 pages)
- Single-Chip Microcomputer H8/36079 (27 pages)
- Direct Dummy IC M3T-DIRECT100S (4 pages)
- M3A-2152 (95 pages)
- PCA7755D (6 pages)
- M16C/6N5 (106 pages)
- SH7085 (50 pages)
- QFP-144 (23 pages)
- H8/3834 Series (22 pages)
- RSKM16C62P (3 pages)
- H8/33937 (22 pages)
- Single-Chip Microcomputer H8SX/1622 (5 pages)
- E6000 (29 pages)
- PCA7400 (18 pages)
- PCA4738FF-64 (20 pages)
- SuperH HS7339KCU01HE (43 pages)
- M16C FAMILY (103 pages)
- PCA7412F-100 (20 pages)
- 4513 (210 pages)
- M34551E8FP (16 pages)
- Dummy IC M3T-SSOP36B-450 (4 pages)
- Emulation Pod M30100T3-RPD-E (52 pages)
- Converter Board for M30102 M30102T-PTC (4 pages)
- SH7145 (31 pages)
- HS1653ECN61H (36 pages)
- Converter Board R0E521276CFG00 (4 pages)
- PCA7302E1F-80 (18 pages)
- H8/3814 Series (21 pages)
- H8S/2646 Series (20 pages)
- SuperHTM Family SH7125 Series (40 pages)
- M30262T-PTC (4 pages)
- SH7670 (82 pages)
- H8/3864 Series (20 pages)
- Emulator System M3T-MR100 (306 pages)
- 38K0 (6 pages)
- PLQP0176KB-A (40 pages)
- Direct Dummy IC M3T-DIRECT80S (6 pages)
- PCA4738L-80A (26 pages)
- Converter Board R0E5212BACFG00 (6 pages)