Internal data bus
H
C
L
P
U
Figure 9.5 8TCNT1 Access Operation (CPU Writes to 8TCNT1, Lower Byte)
Internal data bus
H
C
L
P
U
Figure 9.6 8TCNT0 Access Operation (CPU Reads 8TCNT0, Upper Byte)
Internal data bus
H
C
L
P
U
Figure 9.7 8TCNT1 Access Operation (CPU Reads 8TCNT1, Lower Byte)
298
Bus
interface
Bus
interface
Bus
interface
8TCNTH0 8TCNTL1
8TCNT0 8TCNT1
8TCNT0 8TCNT1
H
Module data bus
L
H
Module data bus
L
H
Module data bus
L