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ST9040 数据表(PDF) 41 Page - STMicroelectronics

部件名 ST9040
功能描述  16K ROM HCMOS MCU WITH EEPROM, RAM AND A/D CONVERTER
PDF  56 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST9040 数据表(HTML) 41 Page - STMicroelectronics

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I/O PORT
Name
Function
Alternate Function
Pin Assignment
Port. bit
PLCC
PQFP
P3.5
T1OUTA
O
MF Timer 1 Output A
10
24
P3.6
T1INB
I
MF Timer 1 Input B
9
23
P3.7
T1OUTB
O
MF Timer 1 Output B
8
22
P4.0
Ain0
I
A/D Analog Input 0
52
72
P4.1
Ain1
I
A/D Analog Input 1
53
73
P4.2
Ain2
I
A/D Analog Input 2
54
74
P4.3
Ain3
I
A/D Analog Input 3
55
75
P4.4
Ain4
I
A/D Analog Input 4
61
4
P4.5
Ain5
I
A/D Analog Input 5
56
76
P4.6
Ain6
I
A/D Analog Input 6
57
77
P4.7
Ain7
I
A/D Analog Input 7
58
78
P5.0
I/O
I/O Handshake Port 5
3
15
P5.1
I/O
I/O Handshake Port 5
2
14
P5.2
I/O
I/O Handshake Port 5
1
13
P5.3
I/O
I/O Handshake Port 5
68
11
P5.4
I/O
I/O Handshake Port 5
65
8
P5.5
I/O
I/O Handshake Port 5
64
7
P5.6
I/O
I/O Handshake Port 5
63
6
P5.7
I/O
I/O Handshake Port 5
62
5
P7.0
SIN
I
SCI Serial Input
43
61
P7.1
SOUT
O
SCI Serial Output
42
60
P7.1
ROMless
I
ROMless Select (Mask option)
42
60
P7.2
INT4
I
External Interrupt 4
41
59
P7.2
TXCLK
I
SCI Transmit Clock Input
41
59
P7.2
CLKOUT
O
SCI Byte Sync Clock Output
41
59
P7.3
INT5
I
External Interrupt 5
40
58
P7.3
RXCLK
I
SCI Receive Clock Input
40
58
P7.3
ADTRG
I
A/D Conversion Trigger
40
58
P7.4
INT6
I
External Interrupt 6
39
57
P7.4
P/D
O
Program/Data Space Select
39
57
P7.5
WAIT
I
External Wait Input
38
56
P7.6
WDOUT
O
T/WD Output
37
55
P7.6
BUSREQ
I
External Bus Request
37
55
P7.7
WDIN
I
T/WD Input
36
54
P7.7
BUSACK
O
External Bus Acknowledge
36
54
Table 4. ST90E40, T40 I/O Port Alternate Function Summary
PIN DESCRIPTION (Continued)
®
ST90E40 - ST90T40
41/56



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