HD64F3670 Datasheet, PDF (148/323 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

ø
Address
TCORA write cycle by CPU
T₁
T₂
T₃
TCORA address
Internal write signal
TCNTV
N
N+1
TCORA
N
M
TCORA write data
Compare match signal
Inhibited
Figure 10.12 Contention between TCORA Write and Compare Match
Clock before
switching
Clock after
switching
Count clock
TCNTV
N
N+1
N+2
Write to CKS1 and CKS0
Figure 10.13 Internal Clock Switching and TCNTV Operation
Rev. 2.0, 03/02, page 124 of 298