Dual DP83640 Ethernet PHY HSMC Daughter Board
Reference Guide
V1.0 - October 2013
20
Table 7: PLCC-44 Socket Pin Description
Pin# Function
Note
Pin# Function
Note
1
G*
23
G*
2
G*
24
G*
3
Vcc
3.3V supply
25
VCC
3.3V supply
4
G*
26
G*
5
G*
27
G*
6
G*
28
I/O
to HSMC, otp[3]
7
G*
29
I/O
to HSMC, otp[2]
8
G*
30
I/O
to HSMC, otp[1]
9
G*
31
I/O
to HSMC, otp[0]
10
GND
32
GND
11
G*
33
CLK
to HSMC, otpclk
12
G*
34
G*
13
G*
35
VCC
3.3V supply
14
VCC
3.3V supply
36
G*
15
G*
37
G*
16
VCC
3.3V supply
38
G*
17
G*
39
G*
18
G*
40
G*
19
G*
41
G*
20
G*
42
G*
21
GND
43
GND
22
G*
44
G*
Notes:
VCC is 3.3V supply voltage
GND is 0V supply ground.
G* pins are connected to GND. These are unused I/O pins terminated to 0 to avoid floating
signals.
