r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 251

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

When the WM bit in CSnWCR is cleared to 0, the external wait input WAIT signal is also
sampled. WAIT pin sampling is shown in figure 9.7. A 2-cycle wait is specified as a software
wait. The WAIT signal is sampled at the falling edge of CK at the transition from the T1 or Tw
cycle to the T2 cycle.
Read
Write
A19 to A0
D7 to D0
D7 to D0
WAIT
WRL
Figure 9.7 Wait State Timing for Normal Space Access
CSn
RD
CK
(Wait State Insertion Using WAIT Signal)
T1
Tw
Tw
Rev. 1.00 Sep. 21, 2007 Page 225 of 1124
Wait states inserted
by WAIT signal
Section 9 Bus State Controller (BSC)
Twx
T2
REJ09B0402-0100