ST STM8A-DISCOVERY - Figure 23. STM8 AF Board MCU

UM1574 STM8AF board electrical schematics
Doc ID 023645 Rev 1 39/48
Figure 23. STM8AF board MCU
1
1
2
2
3
3
4
4
D D
C C
B B
A A
STMicroelectronics
Title:
Number: Rev: Sheet of
B.0(PCB.SCH)
Date:
10/3/2012
MB1036 3 4
STM8AF BOARD MCU
PA4
PA5
PA4
PA5
SPI_NSS
CAN_TX
LD3
red
PA3
R25
1K
C30
100nF
5V
User Button 1
PE1
User Button 2
C36
100nF
5V
12
3 4
B2
SW-PUSH-CMS
12
3 4
B1
SW-PUSH-CMS
MCO
MCO
SB3
Close to XTAL & MCU
Not Fitted
C17
20pF
C18
20pF
X2
16MHz
VDD
5V
C19
10nF
NRST
PA1
PA2
PA3
PA4
PA5
PA6
VCAP
C14
680nF
VDD
VDD
L1
BEAD
C15
1uF
C21
100nF
VDDA
PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7
PE0 PE1 PE2 PE3
SPI_NSS
PE6 PE7
PC1
PC2
PC3
PC4
SPI_SCK
SPI_MOSI
SPI_MISO
CAN_TX
CAN_RX
PD0 ST_LINK_SW IM PD2 PD3 PD4 LIN_TX LIN_RX PD7
VDD
C22
100nF
C16
100nF
C20
100nF
NRST
ST_LINK_SWIM
STM8AF_USART_TX
STM8AF_USART_RX
R23
0
R30
4K7
PE2
R42
4K7
LD7
green
PC3
R29
510
LD4
green
PD3
R26
510
LD6
green
PE3
R28
510
LIN_TX
LIN_RX
SPI_SCK
SPI_MOSI
SPI_MISO
CAN_RX
5V
PE7
NRST
1
OSCIN/PA1
2
OSCOUT/PA2
3
Vssio_1
4
Vss
5
VCAP
6
Vdd
7
Vddio_1
8
PA3
9
PA4
10
PA5
11
PA6
12
Vdda
13
Vssa
14
PB7
15
PB6
16
PB5
17
PB4
18
PB3
19
PB2
20
PB1
21
PB0
22
PE7
23
PE6
24
PE5
25
PC1
26
PC2
27
PC3
28
PC4
29
PC5
30
Vssio_2
31
Vddio_2
32
PC6
33
PC7
34
PG0
35
PG1
36
PE3
37
PE2
38
PE1
39
PE0
40
PD0
41
PD1
42
PD2
43
PD3
44
PD4
45
PD5
46
PD6
47
PD7
48
U4
STM8AF5288T
R24
10K
R22
60
PB0
PB1
PB2
PB3
PB4
PC1
PC2
PC4
PE0
PD2
PD4
PD7
13
2
RV1
10K
PB5
PB6
PB7
LD5
green
PD0
R27
510
PA6
PE6