Touch Direct-Key LED -- BS83B16A-3 + HT74LS164

Touch Direct-Key LED
BS83B16A-3 + HT74LS164
Characteristics
 Touch Key Flash MCU : BS83B16A-3 24SSOP
 Operating Voltage : 2.7V ~ 5.5V
 16 touch key functions
 Flash Program Memory : 2K16
 RAM Data Memory : 2888
 EEPROM Memory : 648
2
 I C and SPI interfaces
 Low voltage reset function
 High current LED driver
 Minimal number of external components
Application Areas
Consumer Products, Home Appliances, Industrial Control, Health Care Products, etc.
Application Circuit
HT74LS164
14SOP
2
1
4
5
6
3
POW
F1
F2
9
F3
#
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
1
2
3
4
5
6
7
8
9
10
11
12
HT74LS164
14SOP
U1
KEY1/PB0
KEY2/PB1
KEY3/PB2
KEY4/PB3
KEY5/PB4
KEY6/PB5
KEY7/PB6
KEY8/PB7
KEY9/PC0
KEY10/PC1
KEY11/PC2
KEY12/PC3
PA1/SDO
PA4/INT
PA3/SCS
PA0/SDI/SDA
PA2/SCK/SCL
PA7
VDD
VSS
PC7/KEY16
PC6/KEY15
PC5/KEY14
PC4/KEY13
7
8
*
JP1
PA0/SDI/SDA
PA2/SCK/SCL
PA7
VDD
GND
C2
+
104
C1
10uF/16V
1K~4K7
1K~4K7
1K~4K7
1K~4K7
0
VDD
R16
R15
R14
R13
BS83B16A-3_24SSOP
PA1
PA4/INT
PA3/SCS
PA0/SDI/SDA
PA2/SCK/SCL
PA7
VDD
GND
24
23
22
21
20
19
18
17
16
15
14
13
1
3
5
7
9
ICP
2
4
6
8
10
PA0/SDI/SDA
PA2/SCK/SCL
PA7
VDD
GND
HEADER 5X2(2.54mm)
SMD/FEMALE
JP2
PA1
PA4/INT
PA3/SCS
GND
1
3
5
7
9
2
4
6
8
10
PA1
PA4/INT
PA3/SCS
GND
HEADER 5X2(2.54mm)
SMD/MALE