Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
RS232
UM92 CONN
Female
To CH9121 To UM92
To DB9
Default
Hole
ISP
Customized DB9
RS232_RXD
RS232_TXD
ISP_EXT
RS232_RXD
RS232_TXD
ISP_EXT
UHF_RXD
UHF_TXD
ISP_MODE
UHF_TXD
UHF_RXD
ISP_EXT ISP_MODE
VCC_SYS5V
VDD_UART
VDD_UART
VCC_5V_EXT
VCC_5V_EXT
VCC_3.3V
VCC_SYS5V
VCC_SYS5V VCC_3.3VVCC_IO
VCC_3.3V
VCC_3.3V
VCC_IO
TXD1[4]
RXD1[4]
P14_TXD1[2]
RESET[2,4]
ISP_MODE [2,3]
UHF_TXD[2]
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> 2.0
RS232/UHF
B
67Monday, January 04, 2021
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> 2.0
RS232/UHF
B
67Monday, January 04, 2021
Title
Size
Document Number Re v
Date: Sheet
of
<Doc> 2.0
RS232/UHF
B
67Monday, January 04, 2021
CN5
HEADER
5V1
1
5V2
2
GND1
3
GND2
4
NC
5
R1000_EN
6
TX
7
RX
8
nRESET
9
nBL/nPD
10
STATUS_LED
11
TDI
12
TDO
13
TCK
14
TMS
15
GND5
21
GND4
22
GND3
16
GPIO0
17
GPIO1
18
GPIO2
19
GPIO3
20
TP15
1
D13
PESD0603-240
12
H1
M2.3_U3.6
1
D15
PESD0603-240
12
R78 100
C55
10uF
TP13
1
R73 10K
TP11
1
R79 0
R71 0
TP9
1
R70
10K
R72 0
R80 0
C61 100nF
R49 0
TP17
1
D10 @RB160M-40
2 1
U8
SP3232E
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
R74
10K
1 2
R84 0
R58 0
TP14
1
H2
M2.3_U3.6
1
C56
100nF
R75
10K
1 2
C60 100nF
TP12
1
L11 30Z
12
R89 10K
H3
M2.3_U3.6
1
R77 0
R53 @0
H4
M2.3_U3.6
1
TP10
1
R85 1K
C59
10uF
12
C58100nF
TP8
1
R57 0
5
4
3
2
1
9
8
7
6
CN4
DSUB_RS232
5
5
4
4
3
3
2
2
1
1
9
9
8
8
7
7
6
6
G1
10
G2
11
TP16
1
L10 30Z
1 2
C57100nF
Q92N7002
D
G
S
R82 0
R76 100
R47 @0