Datasheet
SW_REG1_ON
3.3V
SW_REG_SYNC_OUT
3.3V
GND
SDA_MSP
SCL_MSP
C11
R10
R7
R8
R11
R9
12
9
6
3
13
14
1
2
4
5
7
8
10
11
J8
MSP430F2012IPW
P1.4
6
P1.1/A1
3
P1.5
7
P1.2
4
VCC
1
P1.3
5
P1.0/A0
2
P1.7/SDA
9
XOUT/P2.7
12
P1.6/SCL
8
TEST/SBWTCK
11
XIN/P2.6/TA1
13
NMI/SBWTDIO/RST
10
VSS
14
U3
SW_REG_SYNC_OUT
SW_REG_SYNC
3.3V
SDA_MSP
SDA
SCL
GND
SCL
SDA
SCL_MSP
3
3
1
1
2
2
J7
R13
I2C Bus
R14
GND
3.3V
VBAT
C2
C8
R2
R4
TPS798xxDGN
GND
4
OUT
1
ADJ/SNS
2
NC
3
SHDN
5
IN
8
NC
7
NC
6
PwPd
9
U2
GND
GND
GND
GND
TP6
R6
R5
R22
3.3V
1
JP2
GND
SDA
SCL
C10
R15
GND
C7
C4
C9
A1
1
A2
2
A3
3
A4
4
A5
5
A6
6
A7
7
B1
14
B2
13
B3
12
B4
11
B5
10
B6
9
B7
8
S3
SW DIP-7
CLK1
CLK0
VLR_EN
SW2_EN
SW1_EN
HSD_EN
CLK1
CLK0
VLR_EN
SW2_EN
SW1_EN
HSD_EN
CLK1
CLK0
VLR_EN
SW2_EN
SW1_EN
HSD_EN
GND
GND
GND
GND
GND
R12
Schematics and Bill of Materials
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Figure 12. MSP430 Controller Schematic
10
TPS43331EVM SLVU349–October 2009
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