h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 404

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 12 8-Bit Timers
12.6.2
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 12.14 shows this operation.
Rev. 3.00 Jan 18, 2006 page 376 of 1044
REJ09B0280-0300
Address
Internal write signal
TCNT input clock
TCNT
Contention between TCNT Write and Increment
Figure 12.14 Contention between TCNT Write and Increment
TCNT write cycle by CPU
T
1
N
TCNT address
T
2
Counter write data
M