HD6432621 Hitachi, HD6432621 Datasheet - Page 406

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

Contention between TCNT Write and Increment Operations: If incrementing occurs in the T2
state of a TCNT write cycle, the TCNT write takes precedence and TCNT is not incremented.
Figure 10-50 shows the timing in this case.
362
ø
Address
Write signal
TCNT input
clock
TCNT
Figure 10-50 Contention between TCNT Write and Increment Operations
TCNT write data
N
TCNT write cycle
TCNT address
T1
T2
M