HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 193

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Contention between RTCNT Write and Increment: If an increment pulse occurs in the T
of an RTCNT write cycle, writing takes priority and RTCNT is not incremented. See figure 7-21.
ø
Address bus
Internal
write signal
RTCNT
input clock
RTCNT
Figure 7-21 Contention between RTCNT Write and Increment
RTCNT write cycle by CPU
T
1
RTCNT address
N
179
T
2
Counter write data
T
3
M
3
state