參數(shù)資料
型號(hào): PS2001(中文)
英文描述: Serial Output Data Acquisition Circuit(串行輸出數(shù)據(jù)采集芯片)
中文描述: 串行輸出數(shù)據(jù)采集電路(串行輸出數(shù)據(jù)采集芯片)
文件頁(yè)數(shù): 3/3頁(yè)
文件大小: 50K
代理商: PS2001(中文)
ê±£鱨á1ê× üò′×aá1 £ ü 2¨÷òí¨1yò′DDéD′èüá £o
°
F1
±£o2¨÷êD £′aè±ê · ê£
èy ¤ó|óêμày
v-
0.1uF
10K
30pF
30pF
R1
IN
GND
T1
OUT
C2-
C2+
C2-
v-
T1
IN
R1
OUT
RESET
BAUD
V
DD
OSC2
OSC1
AIN0
AIN1
AIN2
AIN3
AIN0
AIN1
AIN2
AIN3
PS2001
DIO0
DIO1
DIO2
DIO3
DIO4
DIO4
DIO5
DIO5
SER
IN
SER
OUT
C2+
RXD
TXD
GND
PC
ú
MAX233
+5V
4MHz
+5V
×¢
* MAX233
μê ê1ó2
1995 MAXIM
êyYêá
<2-102>
éíD
PS2001
óóú2éˉ· μ1êè£á· êy×êèoí · ¢1at1ü£í¨1yò
MAX233
ó
PC
ú′ú
1
àá £
PC
úéó|ó3ìDò£¨±àó £òéè£o
1.
3êˉ′DDú3ì Dò
MOV DX,3FB
MOV AL,80
OUT DX,AL
MOV DX,3F9
MOV AL,00
OUT DX,AL
MOV DX,3F8
MOV AL,30
OUT DX,AL
;COM1
2¨ìêa
2400bps
MOV DX,3FB
MOV AL,03
OUT DX,AL
;8
êyY
,1
í£
,
TD£é
MOV DX,3FA
MOV AL,01
OUT DX,AL
STI
;
′òa
COM1
μóêD
2.
3êˉ
PS2001
3ì Dò
MOV DX,3F8
MOV AL,’D’
OUT DX,AL
MOV AL,’0’
OUT DX,AL
MOV AL,’0’
OUT DX,AL
;
¨ò
DIO0
úê3μíμ
MOV AL,’D’
OUT DX,AL
MOV AL,’1’
OUT DX,AL
MOV AL,’0’
OUT DX,AL
;
¨ò
DIO1
úê3μíμ
MOV AL,’D’
OUT DX,AL
MOV AL,’2’
OUT DX,AL
MOV AL,’0’
OUT DX,AL
;
¨ò
DIO2
úê3μíμ
MOV AL,’D’
OUT DX,AL
MOV AL,’3’
OUT DX,AL
MOV AL,’0’
OUT DX,AL
;
¨ò
DIO3
úê3μíμ
MOV DX,3F8
MOV AL,’F’
OUT DX,AL
MOV AL,’1’
OUT DX,AL
;
2¨÷êD
MOV DX,3F8
MOV AL,’B’
OUT DX,AL
MOV AL,’1’
OUT DX,AL
;
êD
PS2001
×ˉ鱨
MOV DX,3F8
MOV AL,’T’
OUT DX,AL
MOV AL,’1’
OUT DX,AL
;
éè¨ê± a
500ms
MOV DX,3F8
MOV AL,’C’
OUT DX,AL
;
è
PS2001
μμ±°
MOV DX,3F8
MOV AL,’S’
OUT DX,AL
;
è
PS2001
μá1
3.
D óê3ì Dò
CLI
MOV DX,3F8
IN AL,DX
MOV [BUFFER],AL
INC BUFFER
OUT 21,20
STI
IRET
;
óê′úμ× μo3
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