H8S2368 Datasheet, PDF (261/1037 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series

Section 6 Bus Controller (BSC)
(High) External bus release > External access by internal bus master (Low)
If a refresh request and external bus release request occur simultaneously, the order of priority is
as follows:
(High) Refresh > External bus release (Low)
6.10.2 Pin States in External Bus Released State
Table 6.9 shows pin states in the external bus released state.
Table 6.9 Pin States in Bus Released State
Pins
A23 to A0
D15 to D0
CSn (n = 7 to 0)
UCAS, LCAS
AS
RD
OE
HWR, LWR
DACKn (n = 1, 0)
Pin State
High impedance
High impedance
High impedance
High impedance
High impedance
High impedance
High impedance
High impedance
High
Rev. 5.00 Aug 02, 2006 page 207 of 980
REJ09B0050-0500