HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 396

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

Section 9 16-Bit Timer Pulse Unit (TPU)
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 9.46 shows the timing in this case.
Rev.3.00 Mar. 26, 2007 Page 354 of 772
REJ09B0355-0300
Address
Write signal
TCNT input
clock
TCNT
Figure 9.46 Contention between TCNT Write and Increment Operations
TCNT write data
N
TCNT write cycle
TCNT address
T1
T2
M