HD6473887 Datasheet, PDF (199/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

2. Block diagram
Figure 9-1 shows a block diagram of timer A.
ø_W
1/4
PSW
CWORS
ø _W/4
TMA
TMOW
ø_W/32
ø_W/16
ø_W/8
ø_W/4
ø/32
ø/16
ø/8
ø/4
ø_W /128
ø/8192, ø/4096, ø/2048,
ø/512, ø/256, ø/128,
ø/32, ø/8
TCA
ø
PSS
IRRTA
Notation:
TMA:
TCA:
IRRTA:
PSW:
PSS:
CWOSR:
Timer mode register A
Timer counter A
Timer A overflow interrupt request flag
Prescaler W
Prescaler S
Subclock output select register
Note: * Can be selected only when the prescaler W output (ø_W/128) is used as the TCA input clock.
Figure 9-1 Block Diagram of Timer A
3. Pin configuration
Table 9-2 shows the timer A pin configuration.
Table 9-2 Pin Configuration
Name
Clock output
Abbrev.
TMOW
I/O
Output
Function
Output of waveform generated by timer A output circuit
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