HD64F3048VTF8 Datasheet, PDF (205/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

Section 7 Refresh Controller
φ
Address
bus
CS₃ (RAS)
RD (CAS)
Software
standby mode
High-impedance
Oscillator
settling time
HWR (UW)
High
LWR (LW)
High
RFSH
φ
Address
bus
CS₃ (RAS)
HWR
(UCAS)
LWR
(LCAS)
RD (WE)
a. 2WE mode (SRFMD = 1)
Software
standby mode
Oscillator
settling time
High-impedance
RFSH
b. 2CAS mode (SRFMD = 1)
Figure 7.6 Signal Output Timing in Self-Refresh Mode (PSRAME = 0, DRAME = 1)
Rev. 3.00 Sep 27, 2006 page 177 of 872
REJ09B0325-0300