HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 226

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 6 Bus Controller
When the RCW bit is set to 1, RAS signal output is delayed by one cycle. The width of the RAS
signal should be adjusted with bits RLW1 and RLW0. These bits are only enabled in refresh
operations.
Figure 6.26 shows the timing when the RCW bit is set to 1.
Rev.6.00 Sep. 27, 2007 Page 196 of 1268
REJ09B0220-0600
Refresh request signal
and CMF bit setting signal
RTCNT
RTCOR
CAS, LCAS
Note: n = 2 to 5
φ
CS (RAS)
φ
Figure 6.24 Compare Match Timing
Figure 6.25 CBR Refresh Timing
T
Rp
N
T
Rr
T
Rc1
N
T
Rc2
H'00