HD6433044 Datasheet, PDF (177/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

ø
Address
bus
CS₃ (RAS)
RD (CAS)
HWR (UW)
LWR (LW)
RFSH
High
High
ø
Address
bus
CS₃ (RAS)
HWR
(UCAS)
LWR
(LCAS)
RD (WE)
RFSH
Software
standby mode
High-impedance
Oscillator
settling time
a. 2 WE mode (SRFMD = 1)
Software
standby mode
Oscillator
settling time
High-impedance
b. 2 CAS mode (SRFMD = 1)
Figure 7-6 Signal Output Timing in Self-Refresh Mode (PSRAME = 0, DRAME = 1)
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