Renesas PCA7429G02 Technical Information PDF herunterladen (Seite 27)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

M37272M6/M8–XXXSP/FP, M37272MA–XXXSP

M37272E8SP/FP, M37272EFSP

MITSUBISHI MICROCOMPUTERS

Rev. 1.3

Fig. 8.4.2 Timer Mode Register 2

b7b6 b5b4b3 b2b1b0

Timer mode register 2 (TM2) [Address 00F5

]

After reset

Timer Mode Register 2

Name Functions

Timer 3 count source

selection bit (TM20)

0 RW

1, 4

Timer 4 count source

selection bits

(TM21, TM24)

0RW

Timer 3 count

stop bit (TM22)

0: Count start

1: Count stop

Timer 4 count stop bit

(TM23)

0: Count start

1: Count stop

Timer 5 count stop bit

(TM25)

0: Count start

1: Count stop

Timer 6 count stop bit

(TM26)

0: Count start

1: Count stop

Timer 5 count source

selection bit 1

(TM27)

0: f(X

)/16 or f(X

CIN

)/16 (See note)

1: Count source selected by bit 6

of TM1

0 0 : f(X

)/16 or f(X

CIN

)/16 (See note)

0 1 : f(X

CIN

)

1 0 :

11 :

(b6 at address 00C7

)

External clock from TIM3 pin

b4 b1

0 0 : Timer 3 overflow signal

0 1 : f(X

)/16 or f(X

CIN

)/16 (See note)

1 0 : f(X

)/2 or f(X

CIN

)/2 (See note)

1 1 : f(X

CIN

)

Note: Either f(X

) or f(X

CIN

) is selected by bit 7 of the CPU mode register.

Fig. 8.4.1 Timer Mode Register 1

b7b6 b5b4b3 b2b1b0

Timer mode register 1 (TM1) [Address 00F4

16]

After reset

Timer Mode Register 1

Name Functions

Timer 1 count source

selection bit 1 (TM10)

0: f(X

IN)/16 or f(XCIN)/16 (See note)

1: Count source selected by bit 5 of TM1

Timer 2 count source

selection bit 1 (TM11)

0: Count source selected by bit 4 of TM1

1: External clock from TIM2 pin

Timer 1 count

stop bit (TM12)

0: Count start

1: Count stop

Timer 2 count stop

bit (TM13)

0: Count start

1: Count stop

Timer 2 count source

selection bit 2

(TM14)

0: f(X

IN)/16 or f(XCIN)/16 (See note)

1: Timer 1 overflow

Timer 1 count source

selection bit 2 (TM15)

0: f(X

IN)/4096 or f(XCIN)/4096 (See note)

1: External clock from TIM2 pin

0WR

Timer 5 count source

selection bit 2 (TM16)

0: Timer 2 overflow

1: Timer 4 overflow

0WR

7 Timer 6 internal count

source selection bit

(TM17)

0WR0: f(X

IN)/16 or f(XCIN)/16 (See note)

1: Timer 5 overflow

Note: Either f(XIN) or f(XCIN) is selected by bit 7 of the CPU mode register.

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