Figure 13.2 Block Diagram Of 8-Bit Timer (Tmr_Y And Tmr_X) - Renesas H8S/2158 User Manual

External clock
TMCIY
TMCIX
Select clock
TMOY
TMRIY
IVG signal
Control logic
TMOX
TMRIX
Legend:
TCORA_Y : Time constant register A_Y
TCORB_Y : Time constant register B_Y
TCNT_Y : Timer counter_Y
TCSR_Y : Timer control / status register_Y
TCR_Y : Timer control register_Y
TISR : Timer input select register

Figure 13.2 Block Diagram of 8-Bit Timer (TMR_Y and TMR_X)

Internal clock
TMR_Y TMR_X
φ/4 φ
φ/256 φ/2
φ/2048 φ/4
Clock X
Clock Y
Compare match AX
Compare match AY
Overflow X
Overflow Y
Clear Y
Compare match BX
Compare match BY
Input capture
Compare match C
Interrupt signals
CMIAX
CMIBX
OVIX
CMIAY
CMIBY
OVIY
ICIX
TCORA_X : Time constant register A_X
TCORB_X : Time constant register B_X
TCNT_X : Timer counter_X
TCSR_X : Timer control / status register_X
TCR_X : Timer control register_X
TICR : Input capture register
Section 13 8-Bit Timer (TMR)
TCORA_Y TCORA_X
Comparator A_Y Comparator A_X
TCNT_Y TCNT_X
Clear X
Comparator B_Y Comparator B_X
TCORB_Y TCORB_X
TICRR
TICRF
TICR
Comparator C
TCORC
TCSR_Y TCSR_X
TCR_Y TCR_X
TISR
TCORC
TICRR
TICRF
Rev. 3.00 Jan 25, 2006 page 317 of 872
: Time constant register
: Input capture register R
: Input capture register F
REJ09B0286-0300