2.4 Processor STM32F103RB from STMicroelectronics
1 Intro
2
Electrocardiogram (
Ecg
) Signals
The Electrocardiogram (
Ecg
)
•
Ecg
: electrical manifestation of heart activity recorded
from the body surface
•
monitoring of heart rate
The
Ecg
signal can be recorded fairly easily with surface
electrodes placed on the limbs and/or the chest, see pages
6
–
16
below.
Josef Goette
2
2009
2.4.2 Performance Line Block Diagram
The block diagram in Figure
shows how the components and the core are connected together.
STM32F103x8, STM32F103xB
Description
Doc ID 13587 Rev 10
19/91
Figure 1.
STM32F103xx performance line block diagram
1.
T
A
= –40 °C to +105 °C (junction temperature up to 125 °C).
2.
AF = alternate function on I/O port pin.
U
S
BDP/CAN_TX
PA[ 15:0]
EXTI
W W D G
12
b
it ADC1
16AF
JTDI
JTCK/
S
WCLK
JTM
S
/
S
WDIO
NJTR
S
T
TR
S
T
JTDO
NR
S
T
V
DD
= 2 to
3
.6V
8
0AF
PB[ 15:0]
PC[15:0]
AHB2
MO
S
I,MI
S
O,
S
CK,N
SS
S
RAM
2x(
8
x16
b
it)
WAKEUP
GPIOA
GPIOB
GPIOC
F
m
a
x
: 7 2 M Hz
V
SS
S
CL,
S
DA
I2C2
V
REF+
GP DMA
TIM2
TIM
3
XTAL O
S
C
4-16 MHz
XTAL
3
2 kHz
O
S
C_IN
O
S
C_OUT
O
S
C
3
2_OUT
O
S
C
3
2_IN
PLL &
AP
B1 :
F
m
a
x
=2
4 /
3
6 M
H
z
PCLK1
HCLK
CLOCK
MANAGT
PCLK2
as
AF
as
AF
Fl
as
h 12
8
KB
VOLT. REG.
3
.
3
V TO 1.
8
V
POWER
B
a
ck
u
p i nterf
a
ce
as
AF
TIM 4
B
us
M
a
trix
64
b
it
Inte
rf
a
ce
20 KB
RTC
RC
8
MHz
Cortex-M
3
CPU
I
bu s
D
bus
p
bu s
o
b
l
fl
as
h
S
RAM 512B
Tr
a
ce
Controlle r
U
S
ART1
U
S
ART2
S
PI2
b
x CAN
7 ch
a
nnel
s
B
a
ck
u
p
reg
4 Ch
a
nn el
s
TIM1
3
co mpl. Ch
a
nn el
s
S
CL,
S
DA,
S
MBA
I2C1
as
AF
RX,TX, CT
S
, RT
S
,
U
S
ART
3
Temp
s
en
s
or
V
REF-
PD[15:0]
GPIOD
PE[15:0]
GPIOE
AH
B:F
m
a
x
=4
8
/7
2 MH
z
ETR
a
nd BKIN
4 Ch
a
nn el
s
4 Ch
a
nn el
s
4 Ch
a
nn el
s
FCLK
RC 40 kHz
S
t
a
nd
b
y
IWDG
@VBAT
POR / PDR
S
UPPLY
@VDDA
VDDA
V
SS
A
@VDDA
V
BAT
RX,TX, CT
S
, RT
S
,
S
m
a
rt C
a
rd
as
AF
RX,TX, CT
S
, RT
S
,
CK,
S
m
a
rtC
a
rd
as
AF
AP
B
2
: F
m
a
x
=4
8
/
72 M
H
z
NVIC
S
PI1
MO
S
I,MI
S
O,
S
CK,N
SS
as
AF
12
b
i t ADC2
IF
IF
IF
in terf
a
ce
@VDDA
S
UPERVI
S
ION
PVD
R
s
t
Int
@VDD
AHB2
APB2
APB 1
AWU
TAMPER-RTC
@VDD
U
S
B 2.0 F
S
U
S
BDM/CAN_RX
S
y
s
t em
a
i14
3
90d
TRACECLK
TRACED[0:
3
]
as
A
S
S
W/JTAG
TPIU
Tr
a
ce/trig
CK,
S
m
a
rtC
a
rd
as
AF
Figure 2.1:
STM32F103xx Performance Line Block Diagram
Lukas Kohler
7