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參數資料

型號：	W77E058A40PL
廠商：	WINBOND ELECTRONICS CORP
元件分類：	微控制器/微處理器
英文描述：	8-BIT MICROCONTROLLER
中文描述：	8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44
封裝：	ROHS COMPLIANT, PLASTIC, LCC-44
文件頁數：	57/87頁
文件大小：	594K
代理商：	W77E058A40PL

W77E058A

Publication Release Date: April 17, 2007

- 57 -

Revision A10

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Clock Source

Mode input

div. by 4 osc/1

div. by 64 osc/16

div. by 1024 osc/256

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T2M = CKCON.5

C/T2 = T2CON.1

T2CON.7

T2 = P1.0

T2CON.6

TR2 = T2CON.2

T2EX = P1.1

EXEN2 = T2CON.3

EXF2

Timer 2

Interrupt

TF2

TH2

TL2

RCAP2H

RCAP2L

Figure 14. 16-Bit Capture Mode

12.3.2 Auto-Reload Mode, Counting up

The auto-reload mode as an up counter is enabled by clearing the

CP RL

and clearing the DCEN bit in T2MOD register. In this mode, Timer/Counter 2 is a 16 bit up counter.

When the counter rolls over from FFFFh, a reload is generated that causes the contents of the

RCAP2L and RCAP2H registers to be reloaded into the TL2 and TH2 registers. The reload action also

sets the TF2 bit. If the EXEN2 bit is set, then a negative transition of T2EX pin will also cause a

reload. This action also sets the EXF2 bit in T2CON.

bit in the T2CON register

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