ST90T40C6 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST90T40C6 Datasheet PDF : 56 Pages
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PIN DESCRIPTION (Continued)
Table 3. ST9040 I/O Port Alternate Function Summary
I/O PORT
Port. bit
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.0
P2.1
P2.1
P2.2
P2.2
P2.3
P2.4
P2.4
P2.5
P2.6
P2.6
P2.6
P2.7
P3.0
P3.0
P3.1
P3.2
P3.3
P3.4
Name
A0/D0
A1/D1
A2/D2
A3/D3
A4/D4
A5/D5
A6/D6
A7/D7
A8
A9
A10
A11
A12
A13
A14
A15
NMI
ROMless
P/D
SDI
INT2
SCK
SDO
INT1
WRSTB5
WRRDY5
INT3
RDSTB5
P/D
RDRDY5
T0INA
P/D
T0OUTA
T0INB
T0OUTB
T1INA
Function Alternate Function
I/O
Address/Data bit 0 mux
I/O
Address/Data bit 1 mux
I/O
Address/Data bit 2 mux
I/O
Address/Data bit 3 mux
I/O
Address/Data bit 4 mux
I/O
Address/Data bit 5 mux
I/O
Address/Data bit 6 mux
I/O
Address/Data bit 7 mux
O
Address bit 8
O
Address bit 9
O
Address bit 10
O
Address bit 11
O
Address bit 12
O
Address bit 13
O
Address bit 14
O
Address bit 15
I
Non-Maskable Interrupt
I
ROMless Select (Mask option)
O
Program/Data Space Select
I
SPI Serial Data Out
I
External Interrupt 2
O
SPI Serial Clock
O
SPI Serial Data In
I
External Interrupt 1
I
Handshake Write Strobe P5
O
Handshake Write Ready P5
I
External Interrupt 3
I
Handshake Read Strobe P5
O
Program/Data Space Select
O
Handshake Read Ready P5
I
MF Timer 0 Input A
O
Program/Data Space Select
O
MF Timer 0 Output A
I
MF Timer 0 Input B
O
MF Timer 0 Output B
I
MF Timer 1 Input A
®
ST9040
Pin Assignment
PLCC
PQFP
24
39
25
40
26
41
27
42
28
43
29
44
30
45
31
46
23
38
22
37
21
36
20
35
19
34
18
33
17
31
16
30
44
64
44
64
45
65
45
65
46
66
46
66
47
67
48
68
48
68
49
69
50
70
50
70
50
70
51
71
15
29
15
29
14
28
13
27
12
26
11
25
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