h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 375

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

12.5.3
The control transfer consists of three stages; setup, data (sometimes omitted), and status, as shown
in figure 12.4. The data stage consists of multiple bus transactions. Figures 12.5 to 12.9 show
operation flows in each stage.
Control-in
Control-out
No data
Control Transfer
Setup stage
SETUP(0)
SETUP(0)
SETUP(0)
DATA0
DATA0
DATA0
Figure 12.4 Control Transfer Stage Configuration
OUT(1)
DATA1
DATA1
IN(1)
OUT(0)
Data stage
DATA0
DATA0
IN(0)
. . .
. . .
Rev. 2.00, 03/04, page 343 of 534
OUT(0/1)
DATA0/1
DATA0/1
IN(0/1)
Status stage
OUT(1)
DATA1
DATA1
DATA1
IN(1)
IN(1)