219
Internal data bus
CPU
H
L
Bus interface
H
L
Module
data bus
TCNTH
TCNTL
Figure 8-8 Access to Timer Counter (CPU Writes to TCNT, Upper Byte)
Internal data bus
CPU
H
L
Bus interface
H
L
Module
data bus
TCNTH
TCNTL
Figure 8-9 Access to Timer Counter (CPU Writes to TCNT, Lower Byte)
Internal data bus
CPU
H
L
Bus interface
H
L
Module
data bus
TCNTH
TCNTL
Figure 8-10 Access to Timer Counter (CPU Reads TCNT, Upper Byte)