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ST9040 数据表(PDF) 7 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) 7 Page - STMicroelectronics

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I/O PORT
Name
Function
Alternate Function
Pin Assignment
Port. bit
PLCC
PQFP
P0.0
A0/D0
I/O
Address/Data bit 0 mux
24
39
P0.1
A1/D1
I/O
Address/Data bit 1 mux
25
40
P0.2
A2/D2
I/O
Address/Data bit 2 mux
26
41
P0.3
A3/D3
I/O
Address/Data bit 3 mux
27
42
P0.4
A4/D4
I/O
Address/Data bit 4 mux
28
43
P0.5
A5/D5
I/O
Address/Data bit 5 mux
29
44
P0.6
A6/D6
I/O
Address/Data bit 6 mux
30
45
P0.7
A7/D7
I/O
Address/Data bit 7 mux
31
46
P1.0
A8
O
Address bit 8
23
38
P1.1
A9
O
Address bit 9
22
37
P1.2
A10
O
Address bit 10
21
36
P1.3
A11
O
Address bit 11
20
35
P1.4
A12
O
Address bit 12
19
34
P1.5
A13
O
Address bit 13
18
33
P1.6
A14
O
Address bit 14
17
31
P1.7
A15
O
Address bit 15
16
30
P2.0
NMI
I
Non-Maskable Interrupt
44
64
P2.0
ROMless
I
ROMless Select (Mask option)
44
64
P2.1
P/D
O
Program/Data Space Select
45
65
P2.1
SDI
I
SPI Serial Data Out
45
65
P2.2
INT2
I
External Interrupt 2
46
66
P2.2
SCK
O
SPI Serial Clock
46
66
P2.3
SDO
O
SPI Serial Data In
47
67
P2.4
INT1
I
External Interrupt 1
48
68
P2.4
WRSTB5
I
Handshake Write Strobe P5
48
68
P2.5
WRRDY5
O
Handshake Write Ready P5
49
69
P2.6
INT3
I
External Interrupt 3
50
70
P2.6
RDSTB5
I
Handshake Read Strobe P5
50
70
P2.6
P/D
O
Program/Data Space Select
50
70
P2.7
RDRDY5
O
Handshake Read Ready P5
51
71
P3.0
T0INA
I
MF Timer 0 Input A
15
29
P3.0
P/D
O
Program/Data Space Select
15
29
P3.1
T0OUTA
O
MF Timer 0 Output A
14
28
P3.2
T0INB
I
MF Timer 0 Input B
13
27
P3.3
T0OUTB
O
MF Timer 0 Output B
12
26
P3.4
T1INA
I
MF Timer 1 Input A
11
25
Table 3. ST9040 I/O Port Alternate Function Summary
PIN DESCRIPTION (Continued)
®
ST9040
7/56



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