3069RF-ZTAT Datasheet, PDF (399/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

10.1.2 Block Diagram
The 8-bit timers are divided into two groups of two channels each: group 0 comprising channels 0
and 1, and group 1 comprising channels 2 and 3. Figure 10.1 shows a block diagram of 8-bit
timer group 0.
External clock
sources
TCLKA
TCLKC
Internal clock
sources
φ/8
φ/64
φ/8192
TMO₀
TMIO₁
Clock select
Clock 1
Clock 0
Compare match A1
TCORA0
TCORA1
Compare match A0 _{Comparator A0 Comparator A1}
Overflow 1
Overflow 0
8TCNT0
8TCNT1
Control logic
Compare match B1
Compare match B0 _{Comparator B0}
Input capture B1
Comparator B1
TCORB0
TCORB1
8TCSR0
8TCSR1
CMIA0
CMIB0
CMIA1/CMIB1
OVI0/OVI1
[Legend]
Interrupt signals
TCORA: Time constant register A
TCORB: Time constant register B
8TCNT: Timer counter
8TCSR: Timer control/status register
8TCR: Timer control register
8TCR0
8TCR1
Figure 10.1 Block Diagram of 8-Bit Timer Unit (Two Channels: Group 0)
Rev. 5.0, 09/04, page 377 of 978