Figure 36. Idd Measurement - ST STM32L073Z-EVAL User Manual

VDD
PE6
R166 0
MFX_IRQOUT
PE6 can also be used to wake-up the MCU
VDD
R155
D8 [N/A]
TP27 [N/A]
RESET#
TP26 [N/A]
TP29 [N/A]
C95
BAT60JFILM
[N/A]
R158
0
MFX_WKUP
R157
100K
PB6
MFX_I2C_SCL
PB7
MFX_I2C_SDA
R169
10K
VDD
T8
STT7P2UH7
see note * CAL
R125
100K
G T4
S D STT7P2UH7
GND see note *
T10 CAL_D
STT7P2UH7 4 4
see note *
SH0 3 1 SH1 3 1
2 2
R123
5 5
R126 100K
6 6
100K
SH0_D SH1_D
R134
1 [1%] GND
GND
Current
direction
bypass
JP10
VDD_MCU
to MCU

Figure 36. IDD measurement

MFX
Multi Function eXpander
VDD VDD one capacitor close to each MFX pins:
VDD, VDD_1, VDD_2, VDD_3
L7
BEAD
C90
C93 C106 C94 C116
1uF
100nF 100nF 100nF 100nF
U25
STM32L152CCT6
MFX
18
GPIO0 JOY_SEL
MFX
TP31 14 19
SPARE GPIO1 JOY_DOWN
MFX
20
[N/A]
GPIO2 JOY_LEFT
MFX
10 39
TSC_XP/GPO0 GPIO3 JOY_RIGHT
XP
MFX
11 40
TSC_XN/GPO1 GPIO4 JOY_UP
XN
MFX
12 15
TSC_YP/GPO2 GPIO5 MFX_MicroSD_detect
YP
13 16
TSC_YN/GPO3 GPIO6
17 R171
GPIO7
R174
44 29
BOOT0 GPIO8
510 46 30 R189
IRQOUT GPIO9
7 31
NRST GPIO10
2 32 R190
WAKEUP GPIO11
MFX_V3
34 33
MFX_SWDIO
SWDIO GPIO12
37 26 R191
MFX_SWCLK
SWCLK GPIO13
27
GPIO14
R179 0 42 28 R188
I2C_SCL GPIO15
R177 0 43
I2C_SDA
45 4 SH0
I2C_ADDR IDD_SH0
5 SH1
IDD_SH1/GPO5
21 6 SH2
USART_TX IDD_SH2/GPO6
22 38 SH3
USART_RX IDD_SH3/GPO7
3 CAL
IDD_CAL/GPO4
R176 [N/A] 25 IDD_MEAS
IDD_MEAS
41 R180 0
IDD_VDD_MCU
R151
decoupling capacitors 100
close to TSZ122
C87
C88
10uF
100nF
T2 T6
STT7P2UH7 STT7P2UH7
see note * see note * GND
3
4 4 2
SH2 3 1 SH3 3 1
2 2
R127 R124
5 5
100K 100K
6 6
SH2_D SH3_D
R131 R130 R132 R133
10 [1%] GND 100 [1%] GND 1K [1%] 10K [1%] U21B
5
6
Shunts
TSZ122IST
C91 C99
100nF 100nF VDD
R192
0
CN19
MFX_SWDIO
1 2
MFX_SWCLK
3 4
5
10K [N/A]
10K
10K
10K
10K
VDD_MCU
+5V +3V3 VDD
decoupling capacitor
close to TSZ122
C104
R170 100nF
22K
U23A
GND TSZ122IST
3
V+ 1
2
V-
C100
R167
100nF
1K
GND
GND GND
U21A
TSZ122IST
R159 R163
1
V+
V- 1K [0.1%] 49K9 [0.1%]
U23B
TSZ122IST
GND 5
R164
7 IDD_MEAS
differential 6
100
amplifier
C101
1uF
R165
49K9 [0.1%]
C102
R162
7 GND
1K [0.1%]
100nF
VDD
T9
1
2
3
SH0 4 5
6
7
8 SH0_D
STS9P2UH7
VDD
T7
1
2
3
CAL 4 5
6
7
8 CAL_D
STS9P2UH7
T3
1 CAL_D
2
3
SH1 4 5
6
7
8 SH1_D
STS9P2UH7
T1
1 CAL_D
2
3
SH2 4 5
6
7
8 SH2_D
STS9P2UH7
T5
1 CAL_D
2
3
SH3 4 5
6
7
8 SH3_D
STS9P2UH7
Note *: two footprints superimposed allows to
populate also with SO-8 package P MOS transistors:
STS7P2UH7, STS9P2UH7.
Title:
IDD_measurement
Project: STM32L073Z-EVAL
Size: A3 Reference: MB1168 Revision: C-01
Date: 10/14/2015 Sheet: 10 of 12