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DOC1925 数据表(PDF) 57 Page - List of Unclassifed Manufacturers

部件名 DOC1925
功能描述  User Guide
PDF  61 Pages
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制造商  ETC1 [List of Unclassifed Manufacturers]
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标志 ETC1 - List of Unclassifed Manufacturers

DOC1925 数据表(HTML) 57 Page - List of Unclassifed Manufacturers

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AVR STK500 User Guide
9-1
Rev. 1925C–AVR–3/03
Section 9
Example Applications
9.1
Using LEDs and
Switches
Connect PORTB to LEDS and PORTD to SWITCHES.
LEDs will operate differently depending on what switch is pressed.
Tip: Copy the code from this document into AVR Studio.
;***** STK500 LEDS and SWITCH demonstration
.include “8515def.inc”
.def
Temp
=r16
; Temporary register
.def
Delay
=r17
; Delay variable 1
.def
Delay2
=r18
; Delay variable 2
;***** Initialization
RESET:
ser
Temp
out
DDRB,Temp
; Set PORTB to output
;**** Test input/output
LOOP:
out
PORTB,temp
; Update LEDS
sbis
PIND,0x00
; If (Port D, pin0 == 0)
inc
Temp
; then count LEDS one down
sbis
PIND,0x01
; If (Port D, pin1 == 0)



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