MPC82L52 datasheet(62/144 Pages) MEGAWIN

tên linh kiện	MPC82L52

Giải thích chi tiết về linh kiện	Interrupt controller

PDF	144 Pages

Scroll/Zoom	100%

nhà sản xuất	MEGAWIN [Megawin Technology Co., Ltd]

Trang chủ	http://www.megawin.com.tw/megawin_EN/Index.asp

Logo

62 / 144 page

MPC82x52 Data Sheet

MEGAWIN

(2). Required Function: Select Timer 0 clock source from SYSCLK (enable T0X12)

Assembly Code Example:

T0M0

EQU

01h

T0M1

EQU

02h

PT0

EQU

02h

PT0H

EQU

02h

T0X12

EQU

80h

ORG

0000h

JMP

main

ORG

0000Bh

time0_isr:

to do

…

RETI

main:

ORL

AUXR, #T0X12

; Select SYSCLK/1 for Timer 0 clock input

CLR

TF0

; Clear Timer 0 Flag

ORL

IP,#PT0

; Select Timer 0 interrupt priority

ORL

IPH,#PT0H

;

SETB

ET0

; Enable Timer 0 interrupt

SETB

; Enable global interrupt

MOV

TH0, #(256 - 240)

;interrupt interval 20us

MOV

TL0, #(256 - 240)

;

ANL

TMOD,#0F0h

; Set Timer 0 to Mode 2

ORL

TMOD,#T0M1

;

SETB

TR0

; Start Timer 0 running

JMP

C Code Example:

#define T0M0

0x01

#define T0M1

0x02

#define PT0

0x02

#define PT0H

0x02

#define T0X12

0x80

AUXR |= T0X12

TF0 = 0;

IP |= PT0;

// Select Timer 0 interrupt priority

IPH |= PT0H;

ET0 = 1;

// Enable Timer 0 interrupt

EA = 1;

// Enable global interrupt

TH0 = TL0 = (256 - 240);

TMOD &= 0xF0;

// Set Timer 0 to Mode 2

TMOD |= T0M1;

TR0 = 1;

// Start Timer 0 running

MPC82L52 bảng dữ liệu(PDF) 62 Page - Megawin Technology Co., Ltd

MPC82L52 bảng dữ liệu(HTML) 62 Page - Megawin Technology Co., Ltd

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

bảng dữ liệu tải về

Link URL