M30102 datasheet(73/164 Pages) RENESAS

73 / 164 page

Under

development

Tentative Specifications REV.E1

Specifications in this manual are tentative and subject to change.

Mitsubishi microcomputers

M30100/M30102 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Timer Y

Timer Y, Z output control register

Symbol

Address

When reset

TYZOC

008A16

XXXXX0002

Bit name

Function

Bit symbol

TZOCNT

TYOCNT

TZOS

Nothing is assigned.

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

Timer Z one-shot

start bit

Timer Y programmable

waveform generation

output switching bit

0 : Outputs programmable waveform

1 : Outputs the value of P32 port register

0 : Outputs programmable waveform

1 : Outputs the value of P31 port register

0 : Stops one-shot

1 : Starts one-shot

Timer Z programmable

waveform generation

output switching bit

(Note 2)

Note 1: The timer Z one-shot start bit is automatically cleared to "0" when the output of

one-shot waveform is completed. The timer Z one-shot start 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 wave form output.

Note 2: The timer Y/Z programmable waveform generaton output switching bit is valid only

when operating in programmable waveform generation mode.

(Note 1)

Figure 1.14.15. Timer Y-related registers (2)

Timer Y Secondary

Symbol

Address

When reset

PREY

008116

FF16

• Timer mode

Internal count source is counted

Function

Values that can be set

Prescaler Y

0016 to FF16

• Programmable waveform generation mode

Internal count source is counted

0016 to FF16

(Note)

Note: When using the waveform extend function, set the value "0016" for the

Prescaler Y.

Symbol

Address

When reset

TYSC

008216

FF16

• Timer mode

Invalid

Function

Values that can be set

• Programmable waveform generation mode

Underflow of Prescaler Y is counted

0016 to FF16

(Note 1)

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 Y Primary

Symbol

Address

When reset

TYPR

008316

FF16

• Timer mode

Underflow of Prescaler Y is counted

Function

Values that can be set

0016 to FF16

• Programmable waveform generation mode

Underflow of Prescaler Y is counted

0016 to FF16

(Note)

Note: The values of Timer Y Primary and Timer Y Secondary are reloaded to the

Timer Y alternately for counting.

(Note 2)

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