H8SSLASH2225 datasheet(529/1071 Pages) RENESAS

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Section 12 8-Bit Timers

Rev. 5.00 Aug 08, 2006 page 443 of 982

REJ09B0054-0500

12.2

Input/Output Pins

Table 12.1 summarizes the input and output pins of the 8-bit timer module.

Table 12.1 Pin Configuration

Channel

Name

Symbol

I/O

Function

Timer output

TMO0

Output

Output controlled by compare-match

Timer output

TMO1

Output

Output controlled by compare-match

Timer clock input

TMCI01

Input

External clock input for the counter

Common to

0 and 1

Timer reset input

TMRI01

Input

External reset input for the counter

Timer output

TMO2*

Output

Output controlled by compare-match

Timer output

TMO3*

Output

Output controlled by compare-match

Timer clock input

TMCI23*

Input

External clock input for the counter

Common to

2 and 3

Timer reset input

TMRI23*

Input

External reset input for the counter

Note:

* Not available in the H8S/2237 Group and H8S/2227 Group.

12.3

The 8-bit timer has the following registers. For details on the module stop register, refer to section

24.1.2, Module Stop Registers A to C (MSTPCRA to MSTPCRC).

• Time constant register A_0 (TCORA_0)

• Time constant register B_0 (TCORB_0)

• Timer control register_0 (TCR_0)

• Timer control/status register_0 (TCSR_0)

• Timer counter_1 (TCNT_1)

• Time constant register A_1 (TCORA_1)

• Time constant register B_1 (TCORB_1)

• Timer control register_1 (TCR_1)

• Timer control/status register_1 (TCSR_1)

• Timer counter_2 (TCNT_2)*

• Time constant register A_2 (TCORA_2)*

• Time constant register B_2 (TCORB_2)*

• Timer control register_2 (TCR_2)*

• Timer control/status register_2 (TCSR_2)*

• Timer counter_3 (TCNT_3)*

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