Figure 20. Steval-Lll002D1 Circuit Schematic - STMicroelectronics STEVAL-LLL002V1 User Manual

Figure 20.
STM32 section
J5 J5
C1 C1
20pF 20pF
4
OSC_IN_USB OSC_IN_USB
3
2
OSC_OUT_USB
1
R1 R1
CON4 CON4
1M 1M
OSC_OUT_USB
C2 C2
20pF 20pF R84.7K R84.7K
VDD
SW_PB_SPST SW_PB_SPST C13 C13
BOOT0
SW1 SW1 100nF 100nF
GND
BOOT1
VDD
5
NRST_USB
4
SWDIO
3
SWCLK
2
GND
1
J3 J3
SWD Connector SWD Connector
USB section
CN1 CN1
6 1
SHELL USB_VCC
USB_DM
7 2
SHELL USBDM
USB_DP
8 3
SHELL USBDP
9 4
SHELL ID
5
USB_GND
R16 R16
C22 C22
1M 1M
4.7nF 4.7nF
CONNECTOR
VDD
UART_RX_USB
UART_TX_USB
GND
USB_UART_Connector USB_UART_Connector
STEVAL-LLL002D1 circuit schematic
U4 U4
C21 C21
100nF 100nF
VDD
1
VDD_3
OSC_IN_USB
2
OSC_IN/PD0
OSC_OUT_USB
3
OSC_OUT/PD1
NRST_USB
4
NRST
GND STM32F103T8U6 STM32F103T8U6
5
VSSA
VDD
6
VDDA
7
PA0-WKUP
8
PA1
UART_RX_USB
9
PA2
C20 C20
100nF 100nF
C17 C17
4.7nF 4.7nF
U3 U3
1
I/O1
2 6
NC GND
3 4
I/O2 I/O3
ESDAULC6-3BP6 ESDAULC6-3BP6
USB_PU_PB3
J6 J6
1
2
3
4
C9 C9
100nF 100nF
VDD
27
VDD_2
GND
26
VSS_2
SWDIO
25
PA13
USBDP_PA12
24
PA12
USBDM_PA11
23
PA11
22
PA10
21
PA9
20
PA8
VDD
19
VDD_1
C19 C19
100nF 100nF
USB_DM USBDM_PA11
R10
22
C18 C18
15pF 15pF
USB_DP R14 R14 USBDP_PA12
22 22
C23 C23
15pF 15pF
R17 R17
1.5k 1.5k