HD64336901G Renesas Technology, HD64336901G Datasheet - Page 207

• Manufacturer Part Number: HD64336901G
• Description: (HD64xxx Series) 16-BIT MICROCONTROLLER
• Manufacturer: Renesas Technology

Address
Write signal
Counter clear
signal
TCNT
Clock before switching
Clock after switching
Count clock
TCNT
Figure 12.25 Internal Clock Switching and TCNT Operation
Figure 12.24 Contention between TCNT Write and Clear
N
TCNT write cycle
The change in signal level at clock switching is
assumed to be a rising edge, and TCNT
increments the count.
N
TCNT address
T1
N+1
T2
N+2
H'0000
Rev. 1.00, 11/03, page 179 of 376
N+3