HD643303x Hitachi, HD643303x Datasheet - Page 221

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

CPU
CPU
CPU
On-chip data bus
On-chip data bus
On-chip data bus
Figure 8-9 Access to Timer Counter (CPU Writes to TCNT, Lower Byte)
Figure 8-8 Access to Timer Counter (CPU Writes to TCNT, Upper Byte)
Figure 8-10 Access to Timer Counter (CPU Reads TCNT, Upper Byte)
H
L
H
L
H
L
Bus interface
Bus interface
Bus interface
206
TCNTH
TCNTH
TCNTH
TCNTL
TCNTL
TCNTL
H
L
H
L
H
L
Module
data bus
Module
data bus
Module
data bus