HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 379

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

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 9.50 shows the timing in this case.
362
ø
Address
Write signal
TCNT input
clock
TCNT
Figure 9.50 Contention between TCNT Write and Increment Operations
TCNT write data
N
TCNT write cycle
TCNT address
T1
T2
M