h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 131

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

2.9.3
The on-chip supporting modules are accessed in two states. The data bus is either 8 bits or 16 bits
wide, depending on the particular internal I/O register being accessed. Figure 2-19 shows the
access timing for the on-chip supporting modules. Figure 2-20 shows the pin states.
φ
Internal address bus
Read
access
Write
access
On-Chip Supporting Module Access Timing
Internal read signal
Internal data bus
Internal write signal
Internal data bus
Figure 2-19 On-Chip Supporting Module Access Cycle
T
1
Rev. 6.00 Feb 22, 2005 page 71 of 1484
Bus cycle
Address
Write data
Read data
T
2
REJ09B0103-0600
Section 2 CPU