h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 342

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 12 8-Bit Timer (TMR)
Figures 12.1 and 12.2 show block diagrams of the 8-bit timer module.
TMR_X and TMR_Y have a similar configuration, but cannot be cascaded. TMR_X also has an
input capture function. For details, see section 13, Timer Connection.
Rev. 3.00 Mar 21, 2006 page 288 of 788
REJ09B0300-0300
External clock
sources
TMCI0
TMCI1
TMO0
TMRI0
TMO1
TMRI1
Legend:
TCORA_0
TCORB_0
TCNT_0
TCSR_0
TCR_0
Figure 12.1 Block Diagram of 8-Bit Timers (TMR_0 and TMR_1)
Control logic
Clock select
: Time constant register A_0
: Time constant register B_0
: Timer counter_0
: Timer control/status register_0
: Timer control register_0
Internal clock
sources
Compare-match A1
Compare-match A0
Overflow 1
Overflow 0
Compare-match B1
Compare-match B0
Interrupt signals
CMIA0
CMIB0
OVI0
CMIA1
CMIB1
OVI1
TMR_0
/2, /8
/32, /64
/256, /1024
Clock 1
Clock 0
Clear 0
Comparator A_0
Comparator B_0
TMR_1
TCORA_1
TCORB_1
TCNT_1
TCSR_1
TCR_1
/2, /8
/64, /128
/1024, /2048
TCORA_0
TCORB_0
TCSR_0
TCNT_0
TCR_0
Clear 1
: Time constant register A_1
: Time constant register B_1
: Timer counter_1
: Timer control/status register_1
: Timer control register_1
Comparator A_1
Comparator B_1
TCORA_1
TCORB_1
TCNT_1
TCSR_1
TCR_1