HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 424

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 10 8-Bit Timers
10.6.3
If a timer counter clock pulse is generated during the T2 state of a TCNT write cycle, the write
takes priority and the counter is not incremented.
Figure 10.11 shows this operation.
Rev.3.00 Mar. 26, 2007 Page 382 of 772
REJ09B0355-0300
Address
Internal write signal
TCNT input clock
TCNT
Contention between TCNT Write and Increment
Figure 10.11 Contention between TCNT Write and Increment
TCNT write cycle by CPU
T1
N
TCNT address
T2
Counter write data
M