M16CSLASH62 datasheet(105/615 Pages) RENESAS

105 / 615 page

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Timer A

1-86

Note 1: This bit is valid for timer A3 mode register. Timer A2 is fixed to normal processing

operation, and timer A4 is fixed to multiply-by-4 processing operation.

Note 2: When performing two-phase pulse signal processing, make sure the two-phase pulse

signal processing operation select bit (address 038416) is set to “1”. Also, always be

sure to set the event/trigger select bit (addresses 038216 and 038316) to “00”.

Timer Ai mode register

(When using two-phase pulse signal processing)

Symbol

Address

When reset

TAiMR(i = 2 to 4) 039816 to 039A16

0016

Operation mode select bit

0 1 : Event counter mode

b1 b0

TMOD1

TMOD0

MR0

0 (Must always be “0” when using two-phase pulse signal

processing)

0 (Must always be “0” when using two-phase pulse signal

processing)

MR2

MR1

MR3

0 (Must always be “0” when using two-phase pulse signal

processing)

TCK1

TCK0

1 (Must always be “1” when using two-phase pulse signal

processing)

Bit name

Function

Count operation type

select bit

Two-phase pulse

processing operation

select bit (Note 1)(Note 2)

0 : Reload type

1 : Free-run type

0 : Normal processing operation

1 : Multiply-by-4 processing operation

Figure 1.14.9. Timer Ai mode register in event counter mode

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