HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 321

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

10.6.2
If an increment pulse occurs in the T3 state of a TCNT word write cycle, writing takes priority and
TCNT is not incremented. The timing is shown in figure 10.59.
Contention between TCNT Word Write and Increment
Figure 10.59 Contention between TCNT Word Write and Increment
Internal write signal
TCNT input clock
Address
TCNT
CK
TCNT word write cycle by CPU
T1
Section 10 16-Bit Integrated Timer Pulse Unit (ITU)
TCNT address
N
TCNT write data
T2
Rev. 7.00 Jan 31, 2006 page 295 of 658
T3
M
REJ09B0272-0700