HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 210

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

When the RCW bit is set to 1, RAS signal output is delayed by one cycle. Use bits RLW1 and
RLW0 to adjust the width of the RAS signal. These bits are only enabled in refresh operations.
Figure 6.26 shows the timing when the RCW bit is set to 1.
Rev.4.00 Sep. 07, 2007 Page 180 of 1210
REJ09B0245-0400
RTCNT
RTCOR
Refresh request
signal and CMF
bit setting signal
Note: n = 2 to 5
φ
CS
CAS, LCAS
φ
n
(RAS)
Figure 6.24 Compare Match Timing
Figure 6.25 CBR Refresh Timing
T
Rp
N
T
Rr
N
T
Rc1
H'00
T
Rc2