T89C5115-RATIM datasheet(49/105 Pages) ATMEL

tên linh kiện	T89C5115-RATIM

Giải thích chi tiết về linh kiện	Low Pin Count 8-bit MCU with A/D Converter and 16-Kbytes of Flash Memory

PDF	105 Pages

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nhà sản xuất	ATMEL [ATMEL Corporation]

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49 / 105 page

T89C5115

4128A–8051–04/02

Mode 0 (13-bit Timer)

Mode 0 configures Timer 0 as an 13-bit Timer which is set up as an 8-bit Timer (TH0

(see Figure 22). The upper three bits of TL0 register are indeterminate and should be

ignored. Prescaler overflow increments TH0 register.

Figure 22. Timer/Counter x (x= 0 or 1) in Mode 0

Mode 1 (16-bit Timer)

Mode 1 configures Timer 0 as a 16-bit Timer with TH0 and TL0 registers connected in

cascade (see Figure 23). The selected input increments TL0 register.

Figure 23. Timer/Counter x (x= 0 or 1) in Mode 1

FTx

CLOCK

TRx

TCON reg

TFx

TCON reg

GATEx

TMOD reg

÷ 6

Overflow

Timer x

Interrupt

Request

C/Tx#

TMOD reg

TLx

(5 bits)

THx

(8 bits)

INTx#

see the “Clock” section

TRx

TCON reg

TFx

TCON reg

GATEx

TMOD reg

Overflow

Timer x

Interrupt

Request

C/Tx#

TMOD reg

TLx

(8 bits)

THx

(8 bits)

INTx#

FTx

CLOCK

÷ 6

see the “Clock” section

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