HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 320

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 10 16-Bit Integrated Timer Pulse Unit (ITU)
10.6
This section describes contention and other matters requiring special attention during ITU
operation.
10.6.1
If a counter clear signal occurs in the T3 state of a TCNT write cycle, clearing the counter takes
priority and the write is not performed. The timing is shown in figure 10.58.
Rev. 7.00 Jan 31, 2006 page 294 of 658
REJ09B0272-0700
Notes and Precautions
Contention between TCNT Write and Clear
Counter clear signal
Internal write signal
Figure 10.58 Contention between TCNT Write and Clear
Address
TCNT
CK
TCNT write cycle by CPU
T1
TCNT address
N
T2
T3
H' 0000