Figure 14.
USB and debugger
V_USB
1
USBD-
2
USBD+
3
ID
4
GND
5
CH-GND
6
CH-GND
6
CH-GND
7
CH-GND
7
P3
USB_MINI_B
GND_USB
GND_USB
L7
60ohm-500mA
V
_U
S
B
USB_N
USB_P
VIN
VCIO
Not Assembled
R87
0Ω
VCIO
R88
470Ω
R91
470Ω
R93
470Ω
GND_USB
LED_1
LED_2
VCIO
Not Assembled
R95
0Ω
LED_1
USERIO_0
Not Assembled
R96
0Ω
LED_2
USERIO_1
A
3
GND
2
VCCA
1
VCCB
6
DIR
5
B
4
U23
SN74LVC1T45DCKR
R97
4,7kΩ
R98
4,7kΩ
GND_USB
GND_USB
SRST#_DIR
SRST#_O
USB_SRST#
A
3
GND
2
VCCA
1
VCCB
6
DIR
5
B
4
U20
SN74LVC1T45DCKR
3V3_USB
USB_TRST#
TRST#_O
A
3
GND
2
VCCA
1
VCCB
6
DIR
5
B
4
U22
SN74LVC1T45DCKR
TMS_DIR
USB_TMS
TMS_IO
A
3
GND
2
VCCA
1
VCCB
6
DIR
5
B
4
U21
SN74LVC1T45DCKR
USB_TDO
GND_USB
A
3
GND
2
VCCA
1
VCCB
6
DIR
5
B
4
U17
SN74LVC1T45DCKR
USB_TDI
TDI_O
A
3
GND
2
VCCA
1
VCCB
6
DIR
5
B
4
U16
SN74LVC1T45DCKR
3V3_USB
TCK_O
VCIO
USB_TCK
GND
1
OSCI
2
OSCO
3
VPHY
4
GND
5
REF
6
DM
7
DP
8
VPLL
9
AGND
10
GND
11
VCORE
12
TEST
13
RESET#
14
GND
15
ADBUS0
16
ADBUS1
17
ADBUS2
18
ADBUS3
19
VCCIO
20
ADBUS4
21
ADBUS5
22
ADBUS6
23
ADBUS7
24
ACBUS0
26
ACBUS1
27
ACBUS2
28
ACBUS3
29
ACBUS4
30
GND
25
VCCIO
31
ACBUS5
32
ACBUS6
33
ACBUS7
34
BDBUS0
38
GND
35
SUSPEND#
36
VCORE
37
BDBUS1
39
BDBUS2
40
BDBUS3
41
VCCIO
42
BDBUS4
43
BDBUS5
44
BDBUS6
45
BDBUS7
46
GND
47
BCBUS0
48
BCBUS1
52
BCBUS2
53
BCBUS3
54
VREGOUT
49
VREGIN
50
GND
51
BCBUS4
55
VCCIO
56
BCBUS5
57
BCBUS6
58
BCBUS7
59
PWREN#
60
EEDATA
61
EECLK
62
EECS
63
VCORE
64
U12
FT2232H
3V3_USB
GND_USB
V_CORE
3V3_USB
3V3_USB
3V3_USB
V_CORE
GND_USB
R83
12kΩ
R84
10Ω
R85
10Ω
EECS
EECLK
EEDATA
R86
1kΩ
3V3_USB
TCK_O
TDI_O
TDO_I
TMS_IO
TMS_IO
RTCK_I
LED_1
TRST#_O
SRST#_O
SRST#_DIR
TMS_DIR
LED_2
CS
1
SCL
2
DI
3
DO
4
GND
5
WE
6
PRE
7
VCC
8
U18
M93S46-WMN6TP
3V3_USB
R92
2,2kΩ
EEDATA
GND_USB
R89
4,7kΩ
EECS
GND_USB
R90
4,7kΩ
3V3_USB
EEPRE
EEWRE
EEDATA
EECLK
C111
100nF/50V
C112
100nF/50V
C113
100nF/50V
C119
100nF/50V
C115
100nF/50V
C116
100nF/50V
C117
100nF/50V
C118
100nF/50V
C121
100nF/50V
C122
100nF/50V
C107
100nF/50V
C109
100nF/50V
VPHY
VPLL
USB_OSCI
USB_OSCO
USB_VCC
USB_TX
USB_TX
USB_RX
USB_RX
1.8V
C114
3,3uF/16V
Not Assembled
TP33
GND_USB
C108
4,7uF/16V
C110
4,7uF/16V
From FTDI 2232H RS232 mode:
Pin 38 TXD, transmitter output
Pin 39 RXD, receiver input
A
3
GND
2
VCCA
1
VCCB
6
DIR
5
B
4
U13
SN74LVC1T45DCKR
A
3
GND
2
VCCA
1
VCCB
6
DIR
5
B
4
U14
SN74LVC1T45DCKR
GND_USB
3V3_USB
VCIO
Direction B->A
Direction A->B
TXD_USB
RXD_USB
N/A
GND_USB
GND_USB
C101
18pF/16V
C102
18pF/16V
G
N
D
1
Vout
2
Vin
3
U19
LD1117S33TR
C105
100nF/50V
C106
10uF/16V
VPLL
VPHY
GND_USB
GND_USB
V_CORE
Place close to
VREGOUT pin 49
3V3_USB
GND_USB
GND_USB
FT2232H->Micro
Micro->FT2232H
GND_USB
3V3_USB
3V3_USB
VCIO
3V3_USB
3V3_USB
LED_232_RX
LED_232_TX
R99
470Ω
R100
470Ω
3V3_USB
3V3_USB
LED_232_RX
LED_232_TX
C120
100nF/50V
GND_USB
VCIO
C125
100nF/50V
C126
100nF/50V
C124
100nF/50V
GND_USB
3V3_USB
RXD_USB
TXD_USB
1
2
3
4
Not Assembled
JP41
4 HEADER
VCIO
GND_USB
I/O1
1
GND
2
I/O2
3
I/O2
4
Vbus
5
I/O1
6
U15
USBLC6-2P6
USB_VCC
GND_USB
C123
100nF/50V
USB_VCC
BDBUS4
BDBUS5
BDBUS6
BDBUS7
USB - Serial Communication Channel
EEPROM
USB_D_P
USB_D_N
VDD_HV_IO_Main
VCIO
D4
LED - Green
D5
LED - Green
D6
LED - Green
D7
LED - GREEN
D8
LED - GREEN
TDI
GND
TDO
GND
TCK
GND
EVTI
NC
RESET
TMS
VDDE7 GND
RDY JCOMP
Not Assembled
X8
JTAG 14-PIN (male)
GND_USB
GND_USB
USERIO_0
USERIO_1
USB_TDI
USB_TDO
USB_TCK
USB_SRST#
VIN
USB_TRST#
USB_TMS
L6
60ohm-500mA
L5
60ohm-500mA
1.8V
TP34
L9
60ohm-500mA
TDO_I
R94
4,7kΩ
TP35
3V3_USB
L8
60ohm-500mA
C103
100nF/50V
GND_USB
C104
100nF/50V
GND_USB
GND_USB
GND_USB
GND_USB
GND
R101
0Ω
USB_VCC
U
S
B
_V
C
C
1
3
GND
2
GND
4
Y1
7B-12.000MAAJ-T
UM2462
-
Rev 3
page 14/25
UM2462
Schematics
