HD6432621 Hitachi, HD6432621 Datasheet - Page 115

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

2.9.4
On-chip HCAN module access is performed in four states. The data bus width is 16 bits. Wait
states can be inserted by means of a wait request from the HCAN. On-chip HCAN module access
timing is shown in figures 2-21 and 2-22, and the pin states in figure 2-23.
ø
Internal address bus
Read
Write
ø
Internal address bus
Read
Write
HCAN read signal
Internal data bus
HCAN write signal
Internal data bus
On-Chip HCAN Module Access Timing
Figure 2-22 On-Chip HCAN Module Access Cycle (Wait States Inserted)
Figure 2-21 On-Chip HCAN Module Access Cycle (No Wait State)
HCAN read signal
Internal data bus
HCAN write signal
Internal data bus
T1
T2
T1
T3
T2
Address
Bus cycle
Bus cycle
Address
Write data
Write data
Tw
T3
Read data
Tw
T4
Read data
T4
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