Zilog ZMOT0BHH - Manual (Page 32)

UM023902-1013 28
ZMOTION ® 20-Pin Detection and Control Development Kit
User Manual
Appendix C. Schematic Diagrams
Figures 18 and 19 show the schematics for the ZMOTION 20-Pin Development Board.
Figure 18. ZMOTION 20-Pin Development Board Schematic Diagram, #1 of 2
USB PWR WALL PWR
PWR SRC
PWR ON
VCC_3v3
VCC_3v3
VCC_5v
VCC_3v3_T
RXD
TXD
J5
HDR/PIN 1x3
J5 HDR/PIN 1x3
1 2 3
R6
20K
R6
20K
U2
FT232RL
U2
FT232RL
USBDM
16 RTS
3
GND1
7
RI
6
NC1
8
DTR
2
VCCIO
4
3v3 OUT
17
NC
24
RESET
19
TXD
1
USBDP
15
CBUS3
14
OSCI
27
OSCO
28
GND2
18
TEST
26
CBUS1
22
GND3
21
DCD
10
CTS
11
DSR
9
RXD
5
CBUS4
12
CBUS2
13
AG
ND
25
CBUS0
23
VCC
20
C3
4.7uF
C3
4.7uF
U3
TPS2051B
U3
TPS2051B
OUT
1
GND
2
OC
3
EN
4
IN
5
D3
RED
D3
RED
2
1
C6
0.1uF
C6
0.1uF
C7
0.1uF
C7
0.1uF
C5
0.01uF
C5
0.01uF
C4
0.1uF
C4
0.1uF
SW1
EG1218
SW1
EG1218
1
3
2
L1
FERRITE BEAD L1
FERRITE BEAD
R4
4.75K R4
4.75K
C1
4.7uF
C1
4.7uF
U1
NCP582LXV33T2G
U1
NCP582LXV33T2G
Vin
1
EN
6
GND
2
NC
4
Vout
3
GND
5
R5
100K
R5
100K
R7
100 ohm
R7
100 ohm
R3
20K R3
20K
C8
4.7uF
C8
4.7uF
C2
0.1uF
C2
0.1uF
P1
USB-OTG, mini-AB
P1
USB-OTG, mini-AB
VBUS
1
DM
2
DP
3
ID
4
GND
5
SH1
6
SH2
7
SH3
8
SH4
9