Figure 40. Stm32F779I-Eval Mfx And Leds - ST STM32F779I-EVAL User Manual

LD1
+3V3 Green
PI15
1 2 R216 510
LED0
LD2
Orange
1 2 R215 680 PJ0
LED1
LD3
Red
1 2 R214 680 PJ1
LED2
LD4
Blue
1 2 R213 680 PJ3
LED3
LEDs
XSDN
+3V3
R177
10K[N/A]
D14 PI8 R296
MFX_IRQOUT
RESET#
PC13 R182
MFX_WKUP
C83
BAT60JFILM
R176
100nF[N/A]
47K[N/A]
I2C1_SCL
I2C1_SDA
R171
+3V3

Figure 40. STM32F779I-EVAL MFX and LEDs

MFX
Multi Function eXpander
+3V3 +3V3
L6
Ferrite
C86
C82
1uF
100nF
U22
STM32L152CCT6
GPIO0
Loop 14
SPARE GPIO1
TP22
GPIO2
10
TSC_XP/GPO0 GPIO3
11
TP24 TSC_XN/GPO1 GPIO4
12
TP25 TSC_YP/GPO2 GPIO5
13
TP23 TSC_YN/GPO3 GPIO6
GPIO7
R167
44
BOOT0 GPIO8
0 510 46
IRQOUT GPIO9
7
NRST GPIO10
0 2
WAKEUP GPIO11
MFX_V3
MFX_SWDIO 34
SWDIO GPIO12
37
MFX_SWCLK
SWCLK GPIO13
GPIO14
PB8 R293 0 42
I2C_SCL GPIO15
PB9 R294 0 43
I2C_SDA
45
I2C_ADDR IDD_SH0
[N/A]
IDD_SH1/GPO5
21
USART_TX IDD_SH2/GPO6
R169 22
USART_RX IDD_SH3/GPO7
10K
IDD_CAL/GPO4
R163[N/A]
IDD_MEAS
IDD_VDD_MCU
Default I2C Address:1000010
+3V3 one capacitor close to each MFX pins:
VDD, VDD_1, VDD_2, VDD_3
C173 C178 C172 C170 C175
100nF 100nF 100nF 100nF 100nF
18
MFX_IO0
19
MFX_IO1
20
MFX_IO2
39 MFX_SWDIO
MFX_IO3
40
MFX_SWCLK
MFX_IO4
15
MFX_IO5
16
MFX_IO6
17
MFX_IO7
29
MFX_IO8
30
MFX_IO9
31
MFX_IO10
32
MFX_IO11
33
MFX_IO12
26
MFX_IO13
27
MFX_IO14
28
MFX_IO15
4
5
6
38
3
25
41
Title: MFX & LEDs
Project: STM32F779I-EVAL
Size: A4 Reference:
Date: 2016/4/26
+3V3
R159
0
CN21
1 2
3 4
5
[N/A]
MB1219 Revision: B.1
Sheet: 16 of 17