M16CSLASH1N datasheet(95/238 Pages) RENESAS

95 / 238 page

Rev.1.00

Oct 20, 2004

page 83 of 222

M16C/1N Group

12. Timers

REJ09B0007-0100Z

b5 b4

Timer Y, Z output control register

TZOS

Timer Z one-shot

start bit (Note 1)

TYOCNT

Timer Y programmable

waveform generation

output switching bit (Note 2)

0 : Outputs programmable waveform

1 : Outputs the value of P32 port register

TZOCNT

Timer Z programmable

waveform generation

output switching bit (Note 2)

0 : Outputs programmable waveform

1 : Outputs the value of P31 port register

0 : Stops one-shot

1 : Starts one-shot

Nothing is assigned.

When write, set "0". When read, their contents are "0".

Symbol

TYZOC

Address

008A16

When reset

XXXXX0002

Function

Bit name

Bit symbol

Note 1: This bit is automatically cleared to "0" when the output of one-shot waveform is completed. This bit should be set to

"0" by program when the one-shot waveform output is terminated by setting the count start flag to "0" during the

waveform output.

Note 2: This bit is valid only when operating in programmable waveform generation mode.

(Note 2)

Prescaler Y

Symbol

PREY

Address

008116

When reset

FF16

Function

Values that can be set

0016 to FF16

(Note 1)

Note 1: When using the waveform extend function, set the value "0016" for the Prescaler Y.

Timer Y Primary

Symbol

TYPR

Address

008316

When reset

FF16

Function

Values that can be set

0016 to FF16

Note 1: The values of Timer Y Primary and Timer Y Secondary are reloaded to the Timer Y alternately for counting.

Timer Y Secondary

Symbol

TYSC

Address

008216

When reset

FF16

Function

Values that can be set

0016 to FF16

Note 1: The values of Timer Y Primary and Timer Y Secondary are reloaded to the Timer Y alternately for counting.

Note 2: The count value can be read out by reading the Timer Y Primary even when the secondary period is being

counted.

Timer mode

Internal count source is counted

Programmable waveform generation mode

Internal count source is counted

Timer mode

Invalid

Programmable waveform generation mode

Underflow of Prescaler Y is counted (Note 1)

Timer mode

Underflow of Prescaler Y is counted

Programmable waveform generation mode

Underflow of Prescaler Y is counted (Note 1)

Figure 12.15 Timer Y-related registers (2)

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