HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 602

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

12.6
Note that the following kinds of contention can occur in the 8-bit timer module.
12.6.1
If a timer counter clock pulse is generated during the T
takes priority, so that the counter is cleared and the write is not performed.
Figure 12.10 shows this operation.
Rev.4.00 Sep. 07, 2007 Page 572 of 1210
REJ09B0245-0400
φ
Address
Internal write signal
Counter clear signal
TCNT
Usage Notes
Contention between TCNT Write and Clear
Figure 12.10 Contention between TCNT Write and Clear
TCNT write cycle by CPU
T
1
N
TCNT address
2
state of a TCNT write cycle, the clear
T
2
H'00