ST UM0527, User Manual

Page: 15 / 66

UM0527 General description
15/66
1.1.9 Control unit
Figure 7. Control unit
GND GND
C8
8 22pF
C8
9
22pF
Y1
16M
H
z
NC1
ON/OFF
BUZZER
GND
VCCPU
RX
TX
RST!
PHASE
INV_A!
INV_B
!
BUTTON
ACL ACF! PW
R_LEV
IN
P_LEV
AKK_
LEV
TX RX
L6
4.
7uH
L5
4.
7uH
ACI
VCCPU
R
110
4.
7k
GND
C
1
7
100nF
GND
VDD
3
RES
2
VSS
1
U
8
STM
809L
L4 4.
7uH
L3 4.
7uH
GND
VCCPU
RST!
RESET!
ICC_
CLK
ACH
VAREF VSSA
OUT_
R
EL
R9
1
10k
RST! ICC_
SEL
GND
ICC_
DATA
IC
P
p
rogr
am
m
ing
C
-FLA
S
H
1
1
2
2
B1 BPT-
1
4
R
120
2.
2k
VCC
ACI
R
113
3.
3k
R
114
3.
3k
COM
9
1B
1
1C
16
2B
2
2C
15
3B
3
3C
14
4B
4
4C
13
5B
5
5C
12
6B
6
6C
11
7B
7
7C
10
8
E
U9
U
L
N
2003D
ACF! INV_
A!
INV_
B!
OUT_
R
EL!
INV_
A
INV_
B
GND
OUT_
R
EL
ACL!
ACL ACH
VCC
ACH!
OUT_
L
EV
R
118
2.
2k
R
119
2.
2k
VCC
VCC
ICC_
DATA
ICC_
CLK
UPS_OFF! LEDR
LEDG
BAT_LOW
CHOF F
VCC
1 3 5 7
2 4 6 8
9
10
J2 ID
C
1
0
GND
VCC
VCC
D9
BAS1
6
BUTTON
YA RA GA
R
109
330R
R
107
330R
SW
_
ONP
R9
2
10k
VCC
R
111
100R
R
104
330R
R
106
330R
R
108
330R
LEDR LEDG
R
105
330R
LEDY
OSC 1
OSC 2
OSC1 OSC2
ICC_ SEL
VARE F
13
VSSA
14
MC O/AIN8/P F0
15
BEEP/PF1 (H S)
16
OC MP1_A/A IN 10/PF4
18
IC AP 1_A/PF6 (H S)
19
EXTCLK _A/PF7 (H S)
20
A
IN
12/
O
C
M
P
2_B
/P
C
0
23
A
IN
13/
O
C
M
P
1_B
/P
C
1
24
IC
A
P
2_B
/P
C
2
25
IC
A
P
1_B
/P
C
3
26
ICCDATA/
M
ISO/
P
C4
27
AI
N1
4
/M
O
SI
/P
C5
28
ICCCLK/
SCK/
PC6
29
AI
N15/
SS/
PC7
30
PA3
(HS)
31
PA4 (H S)
34
PA6 (H S)
36
PA7 (H S)
37
Vpp/ IC CS EL
38
RESET
39
Vss_2
40
OSC 2
41
OSC 1
42
Vdd_2
43
PE0/TD O
44
PE1/
RDI
1
PB0
2
PB3
5
PB4
(HS)
6
PD0
/AI
N0
7
PD1
/AI
N1
8
PB1
3
PB2
4
PD2
/AI
N2
9
PD3
/AI
N3
10
PD4
/AI
N4
11
PD 5/AIN5
12
PF2( HS)
17
Vdd_0
21
Vss_0
22
V
dd_1
32
V
ss_1
33
PA5 (H S)
35
U2
9
ST72F324B
J6T6
LEDY
VDCDC
VCCPU GND
GND
VCCPU
VCCPU
GND
VARE F
VSSA
USB_
IN
!
SHD
TXD RXD
INV_
A
INV_
B
ACL! ACH!
ACF
OUT_
R
EL!
SW
_
ONP
BAT_LOW
UPS_OFF!
PHASE PW
R_LEV
AKK_
LEV
OUT_
LEV
IN
P_LEV
VDCDC CHOFF
USB_
IN
!
BAT_LOW UPS_OFF! PHASE PW
R_LEV
AKK_
LEV
OUT_
L
EV
IN
P
_
L
E
V
VDCDC CHOFF USB_
IN
!
SHD
SHD
1 3 5 7
2 4 6 8
9
10
J1
ID
C
1
0
GND
VCC
R3
8
1k
R3
7
1
k
S
1
Q
2
W
3
VSS
4
VCC
8
HOLD
7
C
6
D
5
U1
0
M
95020W
M
N
6P
MO
S
I
MO
S
I
ICC_
CLK
S
CK
ICC_
DATA
GND
MI
S
O
VCCPU
VCCPU
R3
9
4.
7k
RESET!
HOLD!
CS!
ACF 1!
R
9
3
10k
NC1
GND
ACI
!
ACI
!
BUZZER
GND
GND
CS!
PHASE INV_
B!
INV_
A!
UPS_OFF! AKK_
LEV
GND
C4
8
100nF
C3
7
1nF
C3
8
1nF
GND
ON/
OFF
RST! USB_
IN
!
ICC_
CLK
ICC_
SEL
ICC_
DATA
BUTTON
RX TX MO
S
I
GND
GND
GND
GND
GND
GND
C7
0
10nF
C7
1
10nF
C7
3
1nF
C7
4
10nF
C7
6
10nF
C7
7
10nF
GND
GND
GND
GND
C5
1
100pF
C5
2
100pF
C5
3
100pF
C5
4
100pF
C5
5
100pF
C5
6
100pF
GND
GND
GND VCCPU
C1
6
100nF
ON/
OFF
120V
ac
M
odel
230V
ac
M
odel
GND
TXD RXD
VCCPU
VCC
GND
GND VCC VCCPU
Q1
5
MMB
T
A
4
2
R8
6
4.
7k
R8
7
10k
GND
ACF!
ACF!
ACF1
!
ACF1
!