HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 256

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

242 HITACHI
CPU
CPU
CPU
Internal data bus
Internal data bus
Internal data bus
H
H
L
H
L
L
Figure 10.8 Accessing TCNT (CPU–TCNT (upper byte))
Figure 10.6 Accessing TCNT (CPU–TCNT (word))
Figure 10.7 Accessing TCNT (TCNT–CPU (word))
interface
interface
interface
Bus
Bus
Bus
TCNTH
TCNTH
TCNTH
TCNTL
TCNTL
TCNTL
H
H
H
L
L
L
Module
data bus
Module
data bus
Module
data bus