Touch Wheel-Key LED -- BS83B08A-3 + HT74LS164

Touch Wheel-Key LED
BS83B08A-3 + HT74LS164
Touch Key
Flash MCU
Characteristics

Touch Key Flash MCU : BS83B08A-3 16NSOP

Operating Voltage : 2.7V ~ 5.5V

8 touch key functions

Flash Program Memory : 2K16

RAM Data Memory : 1608

EEPROM Memory : 648

I2C and SPI interfaces

Low voltage reset function

Minimal number of external components
Application Areas
Consumer Products, Home Appliances, Industrial Control, Health Care Products, etc.
Application Circuit
U1
POW
F1
F2
F3
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
1K~4K7
R1
R2
R3
R4
R5
R6
R7
R8
1
2
3
4
5
6
7
8
KEY1/PB0
KEY2/PB1
KEY3/PB2
KEY4/PB3
KEY5/PB4
KEY6/PB5
KEY7/PB6
KEY8/PB7
PA1/SDO
PA4/INT
PA3/SCS
PA0/SDI/SDA
PA2/SCK/SCL
PA7
VDD
VSS
16
15
14
13
12
11
10
9
PA1
PA4/INT
PA3/SCS
PA0/SDI/SDA
PA2/SCK/SCL
PA7
VDD
VSS
VDD
+
BS83B08A-3 16NSOP
Cannot open file
評估方案
\20
D:\BSI\
KEY5
KEY6
10展品\BS83B08
Touch Wheel-Key
LCD
EVB\Manual\BS80B
KEY7
08_Whee
KEY8
C2
104
C1
10uF/16V
HT74LS164
14SOP
JP1
PA0/SDI/SDA
PA2/SCK/SCL
PA7
VDD
VSS
1
3
5
7
9
HT74LS164
14SOP
ICP
2
4
6
8
10
PA0/SDI/SDA
PA2/SCK/SCL
PA7
VDD
VSS
HEADER 5X2(2.54mm)
SMD/FEMALE
JP2
PA1
PA4/INT
PA3/SCS
VSS
1
3
5
7
9
2
4
6
8
10
PA1
PA4/INT
PA3/SCS
VSS
HEADER 5X2(2.54mm)
SMD/MALE