h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 104

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 2 CPU
Rev. 3.00 Jan 18, 2006 page 76 of 1044
REJ09B0280-0300
Figure 2.22 Pin States during On-Chip Supporting Module (Internal I/O Register 3) Access
Internal address bus
Read
access
Write
access
Address bus
AS
RD
HWR, LWR
Data bus
Figure 2.21 On-Chip Supporting Module (Internal I/O Register 3) Access Cycle
Internal read
signal
Internal data
bus
Internal write
signal
Internal data
bus
T1
T1
High impedance
Unchanged
Bus cycle
High
High
High
T2
Bus cycle
Address
T2
Write data
T3
Read data
T3