HD64F2149 Datasheet, PDF (106/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Bus cycle
T1
T2
ø
Address bus
AS
RD
HWR, LWR
Data bus
Unchanged
High
High
High
High impedance
Figure 2.20 Pin States during On-Chip Supporting Module (Internal I/O Register 1 and 2)
Access
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