Renesas F-ZTAT H8 Series Hardware Manual page 237

Block Diagram
Figure 9.1 shows a block diagram of timer A.
φ
1/4
W
TMOW
φ
Legend:
TMA: Timer mode register A
TCA: Timer counter A
IRRTA: Timer A overflow interrupt request flag
PSW: Prescaler W
PSS: Prescaler S
Note: * Can be selected only when the prescaler W output (φ
Pin Configuration
Table 9.2 shows the timer A pin configuration.
Table 9.2 Pin Configuration
Name Abbr.
Clock output TMOW
PSW
φ /4
W
φ /32
W
φ /16
W
φ /8
W
φ /4
φ /128
W
W
φ /32
W
φ/8192, φ/4096, φ/2048,
φ /16
W
φ/512, φ/256, φ/128,
φ /8
W
φ/32, φ/8
φ /4
W
PSS
Figure 9.1 Block Diagram of Timer A
I/O
Output
/128) is used as the TCA input clock.
W
Function
Output of waveform generated by timer A output
circuit
Rev.3.00 Jul. 19, 2007 page 211 of 532
9. Timers
TMA
TCA
REJ09B0397-0300
IRRTA