GPIO !
31
GPIO !
32
GPIO !
33
GPIO !
34
Timer_ Cap/ GPIO !
35
Timer_ Cap/ GPIO !
36
PWM/ GPIO !
37
PWM/ GPIO !
38
PWM/ GPIO !
39
PWM/ GPIO !
40
GPIO !
11
SPI_ CS/ GPIO !
12
SPI_ CS/ GPIO !
13
SPI_ MISO
14
SPI_ MOSI
15
RST
16
GPIO
17
GPIO !
18
PWM/ GPIO !
19
GND
20
J2/J4
C3 +/NC
1
C3-/ NC
2
RIN1
3
RIN2
4
DOUT1
5
DOUT2
6
NC
7
NC
8
DIN2
9
DIN1
10
ROUT2
11
ROUT1
12
INVALID
13
FORCEOFF
14
FORCEON
15
C1-
16
GND
17
VL
18
VCC
19
V+
20
C1+
21
C2+
22
C2-
23
V-
24
PAD
25
U1
TRS3122 ERGER
GND
1
2
3
4
5
6
7
8
9
J10
GND
GND
CTS2
FORCEON
RX2
RTS2
INV
3v3
GP5
GP8
GP11
GND
VCC
VCC
GP3
GP4
GND
GP18
10.0 k
R1
10.0k
R4
10.0k
R3
10.0 k
R2
FORCEOFF
5
4
1
2
3
6
7
8
9
10
J6
GP12
GP13
GP19
GP5
GP8
GP3
GP4
5
4
1
2
3
6
7
8
9
10
J8
1
2
3
4
5
6
J9
INV
GP14
GP11
GP18
GP12
GP13
GP19
GP5
GP8
GP3
GP4
GP11
GP18
GP12
GP13
GP19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
19
16
18
20
J7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
19
16
18
20
J5
FORCEON
FORCEOFF
GP19
GP18
0.1
µ
F
C1
0.1
µ
F
C2
0.1
µ
F
C3
0 .1
µ
F
C4
0.1
µ
F
C5
0 .1
µ
F
C6
RX2
TX2
CTS2
RTS2
TX2
+3.3V
1
Analog_In
2
LP_ UART_ RX
3
LP_ UART_ TX
4
GPIO !
5
Analog In
6
SPI_ CLK
7
GPIO !
8
I2C_SCL
9
I2C_SDA
10
+5V
21
GND
22
Analog_ In
23
Analog_ In
24
Analog_ In
25
Analog_ In
26
Analog_ In/I2S _WS
27
Analog_In/I2S_ SCLK
28
Analog_ Out/I2S_ SDout
29
Analog_ Out/I2S_ SDin
30
J1 /J3
4
1
2
3
J11
TX1
CTS1
RX1
RTS1
0 R5
CTS1
TX1
RTS1
RX1
GP14
GP14
GP14
3v3
Green
1
2
D1
Green
1
2
D2
Green
1
2
D4
Red
2
1
D7
Red
2
1
D9
5.23k
R7
5.23k
R8
5 .23k
R 10
GND
RX1
CTS1
GND
GND
TX1
RTS1
GND
GND
1.96k
R6
Red
2
1
D5
Red
2
1
D3
Green
1
2
D6
Green
1
2
D8
5.23k
R9
3v3
1v8
VCC
1
2
3
J12
TSW- 103- 07-G-S
VIN
1
GND
2
ON/OFF
3
BYPASS
4
VOUT
5
U2
LP2985- 18DBVR
GND
1
µ
F
C7
0.01
µ
F
C9
2.2
µ
F
C8
3v3
1v8
Copyright © 2016,
Texas Instruments Incorporated
Additional Information
14
SLLU250 – November 2016
Copyright © 2016, Texas Instruments Incorporated
BOOSTXL-RS232 BoosterPack™ Hardware
6
Additional Information
6.1
Design Files
All design files including schematics, layout, bill of materials (BOM), Gerber files, and documentation are
available in the
Texas Instruments Resource Explorer
:
The schematic is shown in
, the top layer and bottom layer PCB layouts are illustrated in
and
.
6.2
Hardware Change Log
details descriptions of hardware changes.
Table 5. Description of Hardware Changes
PCB Revision
Description of Changes
Rev 1.0
Initial Release
6.3
Schematic
illustrates the BOOSTXL-RS232 schematic.
Figure 12. BOOSTXL-RS232 Schematic (Zoom for Higher Resolution)