Chapter 4 User Interface
Page4-5
Table 4.2. CNU3 and CNU4 Pin Assignments
CNU1No.
Pin Name
I/O
CNU2No.
Pin Name
I/O
1
XD2
I/O
1
PIO3.5
I/O
2
XD3
I/O
2
PIO3.6
I/O
3
XD4
I/O
3
PIO3.7
I/O
4
XD5
I/O
4
GND
O
5
XD6
I/O
5
PIO4.0
I/O
6
XD7
I/O
6
PIO4.1
I/O
7
GND
O
7
PIO4.2
I/O
8
VDD
I
8
PIO4.3
I/O
9
PIO1.0
*5
I/O
9
PIO4.4
I/O
10
PIO1.1
*5
I/O
10
PIO4.5
I/O
11
PIO1.2
*5
I/O
11
PIO4.6
I/O
12
PIO1.3
*5
I/O
12
PIO4.7
I/O
13
PIO1.4
*5
I/O
13
GND
O
14
PIO1.5
*5
I/O
14
VDD
I
15
PIO1.6
*5
I/O
15
PIO5.0
I/O
16
PIO1.7
*5
I/O
16
PIO5.1
I/O
17
CS0/
O
17
PIO5.2
I/O
18
RD/
O
18
PIO5.3
I/O
19
WRE_WRL/
O
19
PIO5.4
I/O
20
GND
O
20
PIO5.5
I/O
21
VDD
I
21
PIO5.6
*6
I/O
22
PIO2.0
I/O
22
PIO5.7
*6
I/O
23
PIO2.1
I/O
23
CLKOUT
O
24
PIO2.2
I/O
24
GND
I/O
25
PIO2.3
I/O
25
OSC0
I
26
PIO2.4
I/O
26
N.C.
-
27
PIO2.5
*5
I/O
27
VDD
I
28
PIO2.6
*5
I/O
28
N.C.
-
29
PIO2.7
I/O
29
FSEL
I
30
GND
O
30
PLLEN
I
31
VDD
I
31
RESETB/
*7
I
32
PIO3.0
I/O
32
GND
O
33
PIO3.1
I/O
33
GND
O
34
PIO3.2
I/O
34
AI7
I
35
PIO3.3
I/O
35
AI6
I
36
PIO3.4
I/O
36
AI5
I
37
N.C
-
37
N.C
-
38
N.C
-
38
N.C
-
39
GND
O
39
GND
O
40
GND
O
40
GND
O
*5
These pins are used for their secondary functions, so are not available for use as port
pins.
*6
The ENA position of theRS232C-SEL switch disconnects all these pins.
*7
This pin has a 10-k
Ω
pull-up resistance.
Summary of Contents for ML670100
Page 16: ...Chapter 1 Read Me First Page 1 12...
Page 79: ...Chapter 4 User Interface Page4 12...
Page 91: ...Chapter 5 Notes on Debugging Page 5 12...
Page 92: ...Chapter 6 Appendices...
