HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 351

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

•
ø
Internal
clock
TCNT input
TCNT
GR
H'0000
STR bit
IMF
TCNT count timing
— Internal clock source
Bits TPSC2 to TPSC0 in TCR select the system clock (ø) or one of three internal clock
sources obtained by prescaling the system clock (ø/2, ø/4, ø/8).
Figure 10-17 shows the timing.
TCNT value
N – 1
Figure 10-17 Count Timing for Internal Clock Sources
Figure 10-16 Periodic Counter Operation
339
N
Counter cleared by general
register compare match
N + 1
Time