h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 360

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 12 8-Bit Timers
12.1.2
Figure 12.1 shows a block diagram of the 8-bit timer module (TMR0 and TMR1).
TMRX and TMRY have a similar configuration, but cannot be cascaded. TMRX also has an input
capture function. For details, see section 13, Timer Connection [H8S/2138 Group].
Rev. 4.00 Jun 06, 2006 page 306 of 1004
REJ09B0301-0400
Multiple interrupt sources for each channel
TMR0, TMR1, TMRY: Two compare-match interrupts and one overflow interrupt can be
requested independently.
TMRX: One input capture source is available.
Block Diagram
External clock
sources
TMCI0
TMCI1
TMO0
TMRI0
TMO1
TMRI1
Figure 12.1 Block Diagram of 8-Bit Timer Module
Control logic
Clock select
Internal clock
sources
Compare-match A1
Compare-match A0
Overflow 1
Overflow 0
Compare-match B1
Compare-match B0
CMIA0
CMIB0
OVI0
CMIA1
CMIB1
OVI1
Interrupt signals
TMR0
/8, /2
/64, /32
/1024, /256
Clock 1
Clock 0
Clear 0
Comparator A0
Comparator B0
TMR1
/8, /2
/64, /128
/1024, /2048
TCORA0
TCORB0
TCNT0
TCSR0
TCR0
Clear 1
Comparator A1
Comparator B1
TMRX
/2
/4
TCORA1
TCORB1
TCSR1
TCNT1
TCR1
TMRY
/4
/256
/2048