H8S2456 Datasheet, PDF (328/1376 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8S Family / H8S/2400 Series

Section 6 Bus Controller (BSC)
6.10.2 Pin States in Idle Cycle
Table 6.13 shows the pin states in an idle cycle.
Table 6.13 Pin States in Idle Cycle
Pins
Pin State
A23 to A0
Contents of following bus cycle
D15 to D0
CSn (n = 7 to 0)
UCAS, LCAS
AS/AH
RD
OE
HWR, LWR
DACKn (n = 1, 0)
EDACKn (n = 3 to 0)
High impedance
High^{*1 *2}
High^*2
High
High
High
High
High
High
Notes: 1. Remains low in DRAM space RAS down mode.
2. Remains low in a DRAM space refresh cycle.
Rev. 1.00 Sep. 19, 2008 Page 298 of 1342
REJ09B0467-0100