UM_6612_044
78M6612 Split-Phase Evaluation Board User Manual
J10
Pins
SM Bus
OneNet
PacketPower
V3P3
V3P3
V3P3
DIO1
DIO2
DIO3
DIO4
DIO5
DIO8
DIO9
DIO10
DIO11
DIO20
no connect
no connect
no connect
SMBRXD
SMBCLOCK
SMBTXLOB
SMBCKHDB
SMBALTRB
no connect
no connect
CE
SLE
CSN
TRXCE
PWRUP
MISO
SCK
DR
MOSI
CD
SDATA
SREAD
SCLK
INT
DATAIO
DATACLK
GND
8
18
19
20
7
R23
NC
0603
R24
NC
0603
R25
NC
0603
R26
NC
0603
V3P3D
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
C18
0.1uF
0603
PMA0
PMA1
PMA2
PMA3
11
12
25
26
27
28
29
30
31
32
33
34
35
36
37
44
45
46
21
22
23
13
24
47
68
GND
TXEN
no connect
R27
NC
0603
SW1
NC
EP11
GND
V3P3
RESET
DIO20
DIO11
51
17
15
13
11
9
7
5
18
16
14
12
10
8
4
6
2
RESET
DIO1
DIO2
DIO3
DIO4
DIO5
DIO8
DIO9
DIO10
R28
NC
0603
R29
NC
0603
R30
NC
0603
R31
NC
0603
Optional Reset Switch
R22
SW1
R56
R57
C28
EVQ-PJX05M Panasonic C19
0
1K
1K
1000pF
NC
0603
0603
GND
GND
3
1
SEG17
SEG18
DIO9
DIO10
DIO11
GND
SEG29/DIO9
SEG30/DIO10
SEG31/DIO11
SEG34/DIO14
SEG35/DIO15
SEG36/DIO16
SEG37/DIO17
SEG19/DIO19
SEG40/DIO20
SEG41/DIO21
J10
EXPCONN
DIP100P18
V3P3
ICE inputs become
LCD seg driv ers
when ICEE low
V3P3
1
2
3
4
5
6
R XTX
TCLK
ERST
DIO20
DIO21
J11
ICE
2
67
66
E_RXTX/SEG38
E_TCLK/SEG33
E_RST/SEG32
SIP100P6
FAULT
READY
LED4
GREEN
LED100
ACTIVE
LED5
YELLOW
LED100
14
15
16
17
COM0
COM1
COM2
COM3
ICEEN
38
LED3
RED
LED100
ICE_E
C20
R32
330
0603
1000pF
0603
MS 606-4300H1LC
MS 606-4300H5LC
MS 606-4300H7LC
DIO8
43
SEG28/DIO8
GND
GND
R33
470
R34
470
R35
470
0603
0603
0603
V3P3
DIO4
DIO5
39
40
SEG24/DIO4
SEG25/DIO5
DIO21
DIO11
DIO20
(RELAY)
1
2
3
4
CKTST
TMUX
TP1
RTM
SIP100P4
PULSE OUTPUT
TP2
Wh
SIP100P2
GND
DIO3
DIO6
9
4
5
CKTEST/SEG19
TMUXOUT
DIO3
V3P3
41
V3P3
SEG26/DIO6
1
R36
10K
0603
UTX
URX
J12
DEBUG
SIP100P4
2
3
4
6
48
TX
RX
GND
R39
RELAY1
R38
0
R37
10K
42
RELAY1
SEG27/DIO7
0
0603
0603
0603
C27
0.1uF
0603
V3P3
GND
3
60
65
63
OPT_TX/DIO2
OPT_RX/DIO1
PB
TEST
GND
GND
USB3V
1
DIO2
DIO1
1
8
7
6
5
V1
V2
VOA VIA
VIB VOB
ND1 G2
USBTX
USBRX
2
30
2
3
4
U1B
78M6612-68QFP
QFN68
VCCIO
VCC
R XD
TXD
USB5V
19
GND
1
2
3
4
5
6
USBDM
USBDP
GND
15
14
32
8
31
6
7
3
USBDM
USBDP
RTS
CTS
DTR
DSR
DCD
RI
U3
C25
4.7uF
1206P
18
5
12
13
25
29
23
ADUM3201
ADUM3201
ADUM3201ARZ-ND
RESETB
NC1
NC2
NC3
NC4
NC5
NC6
J22
USB-B
USBBV
22
21
10
11
9
CBUS0
CBUS1
CBUS2
CBUS3
CBUS4
MS 806-KUSBVX-BSIN-W
27
28
OSCI
OSCO
1.5M A/B White Cable
Mouser 571-1487588-2
16
U2
3V3OUT
FT232QFN32
MS 895-FT232RQ
FTQFN32
C26
0.1uF
0603
USBGND
U2 internal 3.3V LDO
can source upto 50ma
Figure 9: 78M6612 Split-Phase Evaluation Board Electrical Schematic (2 of 2)
Rev. 1.1
25