
Functional Overview
September 5, 2002
Document #: 38-12010 CY Rev. ** CMS Rev. 3.20
17
P4[6]
I/O
25 Port 4[6]
XRES
I
26 External Reset
P3[0]
I/O
27 Port 3[0]
P3[2]
I/O
28 Port 3[2]
P3[4]
I/O
29 Port 3[4]
P3[6]
I/O
30 Port 3[6]
P2[0]
I/O
31
Port 2[0] (Non-Multiplexed
Analog Input)
P2[2]
I/O
32
Port 2[2] (Non-Multiplexed
Analog Input)
P2[4]
I/O
33 Port 2[4] / External AGNDIn
P2[6]
I/O
34 Port 2[6] / External VREFIn
P0[0]
I/O
35 Port 0[0] (Analog Input)
P0[2]
I/O
36 Port 0[2] (Analog Input/Output)
P0[4]
I/O
37 Port 0[4] (Analog Input/Output)
P0[6]
I/O
38 Port 0[6] (Analog Input)
Vcc
Power
39 Supply Voltage
P0[7]
I/O
40 Port 0[7] (Analog Input)
P0[5]
I/O
41 Port 0[5] (Analog Input/Output)
P0[3]
I/O
42 Port 0[3] (Analog Input/Output)
P0[1]
I/O
43 Port 0[1] (Analog Input)
P2[7]
I/O
44 Port 2[7]
Figure 5: 26643 TQFP
Table 5:
Pin-out 44 Pin
, continued
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
P2[5]
P2[3]
P2[1]
P3[7]
P3[5]
P3[3]
P3[1]
SMP
P4[7]
P4[5]
P4[3]
P2[4]/Ex AGNDIn
P2[2]
P2[0]
P3[6]
P3[4]
P3[2]
P3[0]
X
res
P4[6]
P4[4]
P4[2]
P
P
P
P
X
X
P
P
P
P
P
P
P
P
P
P
P
P
P
2
V
s
P
V
c
Table 6:
Pin-out 48 Pin
Name
I/O
Pin
Description
P0[7]
I/O
1 Port 0[7] (Analog Input)
P0[5]
I/O
2
Port 0[5] (Analog Input/Out-
put)
P0[3]
I/O
3
Port 0[3] (Analog Input/Out-
put)
P0[1]
I/O
4 Port 0[1] (Analog Input)
P2[7]
I/O
5 Port 2[7]
P2[5]
I/O
6 Port 2[5]
P2[3]
I/O
7
Port 2[3] (Non-Multiplexed
Analog Input)
P2[1]
I/O
8
Port 2[1] (Non-Multiplexed
Analog Input)
P3[7]
I/O
9 Port 3[7]
P3[5]
I/O
10 Port 3[5]
P3[3]
I/O
11 Port 3[3]
P3[1]
I/O
12 Port 3[1]
SMP
O
13 Switch Mode Pump
P4[7]
I/O
14 Port 4[7]
P4[5]
I/O
15 Port 4[5]
P4[3]
I/O
16 Port 4[3]
P4[1]
I/O
17 Port 4[1]
P5[3]
I/O
18 Port 5[3]
P5[1]
I/O
19 Port 5[1]
P1[7]
I/O
20 Port 1[7]
P1[5]
I/O
21 Port 1[5]
P1[3]
I/O
22 Port 1[3]
P1[1]
I/O
23 Port 1[1] / XtalIn / SCLK
Vss
Power
24 Ground
P1[0]
I/O
25 Port 1[0] / XtalOut / SDATA
P1[2]
I/O
26 Port 1[2]
P1[4]
I/O
27 Port 1[4]
P1[6]
I/O
28 Port 1[6]