36_HT82B40R+BS83C24-3_Netbook_Keyboard_Controller_System.pdf

36
Netbook Keyboard Controller System
HT82B40R + BS83C24-3
Touch Key
Flash MCU
Characteristics
 Uses Non X86 CPU Platform System Netbook Products
 HT82B40R has Fully Integrated 12MHz Oscillator
 Integrated 1.5k Resistor Connected between V33O and D-
 Utilises USB Interface Communication with the Host Controller
 Reduced External Components for System Solutions
 Low Cost System Solutions
 Touch Pad 10  14 Supports PS/2, SPI Interface
 Touch Pad Under 1.0 mm of Plastic
HT82B40R
BS83C24-3
44QFP
W40mm  L67mm
14  Y10
Application Areas
Notebooks, E-Books, Table PCs , etc.
Application Circuit
Key1
Key2
Key3
Key4
Key5
Key6
Key7
Key8
Key9
Key10
Key11
Key12
Key13
Key14
Key15
Key16
Key17
Key18
Key19
Key20
Key21
Key22
Key23
Key24
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
U1
PB0/KEY1
PB1/KEY2
PB2/KEY3
PB3/KEY4
PB4/KEY5
PB5/KEY6
PB6/KEY7
PB7/KEY8
PC0/KEY9
PC1/KEY10
PC2/KEY11
PC3/KEY12
PC4/KEY13
PC5/KEY14
PC6/KEY15
PC7/KEY16
PD0/KEY17
PD1/KEY18
PD2/KEY19
PD3/KEY20
PD4/KEY21
PD5/KEY22
PD6/KEY23
PD7/KEY24
PF3
PF2
PF1
PF0
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PFD/PE0
37
36
35
34
33
32
31
30
29
28
27
26
VCC
VCC
SDA/CLOCK
R1
10KΩ
L
INT
R
C2
SDO/PA1
INT/PA4
SCS/PA3
SDI/SDA/PA0
SCL/SCL/PA2
RES
VDD/AVDD
VSS/AVSS
25
24
23
22
21
20
19
18
1
2
3
4
5
6
7
8
9
10
11
12
SCL/DATA
R
INT
104p
L
Header 12
P4
SDA/CLOCK
SCL/DATA
RESET
VCC
CP1
104p
BS83C24
C1
10u
P1
1
2
3
4
5
Header 5
INT
1
L
1
R
1
SDA/CLOCK 1
SCL/DATA 1
KEY1
1
KEY2
1
KEY3
1
KEY4
1
X6
X5
Y1
Y2
KEY5
1
KEY6
1
KEY7
1
KEY8
1
X4
X3
Y3
Y4
KEY9
1
KEY10
1
KEY11
1
KEY12
1
X2
X1
Y5
Y6
KEY13
1
KEY14
1
KEY15
1
KEY16
1
X7
X9
Y7
KEY17
1
KEY18
1
KEY19
1
KEY20
1
Y8
BS83C24_Touch Pad
X10
X8
Y9
Y10
KEY21
1
KEY22
1
KEY23
1
KEY24
1
RESET 1
X12
X11
X13
X14
VCC
1
1
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
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