HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 171

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

Figure 8.34 Warp Mode Timing (Access to On-Chip Peripheral Module and External Write
8.9
The WCR1–WCR3 registers of the BSC can be set to control sampling of the WAIT signal when
accessing various areas and the number of bus cycle states. Table 8.11 shows the number of bus
cycle states when accessing various areas.
On-chip
On-chip
External
module
module
pheral
pheral
space
Internal address
write
peri-
peri-
read
write
Wait State Control
data bus
data bus
Internal
Internal
Internal
Internal
AD15–
strobe
strobe
A21–
write
read
CSn
AD0
WR
CK
A0
External space
T1
address
On-chip peripheral module read/write
On-chip peripheral module address
T2
External space address
External space writing
Cycle)
Write data
T3
Write data
Read data
T4
T5
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