TSC2300 Datasheet, PDF (16/81 Pages) Texas Instruments – PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH AUDIO CODEC

TSC2300
SLAS372 — NOVEMBER 2002
www.ti.com
MICROPHONE
JACK
HEADPHONE
JACK
10Ω
to 100Ω
220µF
Rbias
Line Inputs
A
A
1nF
A
A
1 to 10
µF
A
0.1µF
KEYPAD
1µF
15 14 13 12
11 10 9 8
7654
1µF ^{3 2 1 0}
A
1µF
A
1µF
220µF
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
MONO
AMP
Line Outputs
A
1µF
1µF
1 to 10
µF _A
0.1µF
A
A
TOUCH
SCREEN
1 to 10
µF
A
0.1µF
A
49 MONO+
50 MONO–
51 VOUTR
52 VOUTL
53 AGND
54 AVDD
55 HPL
56 HPR
57 HPGND
58 X–
59 Y–
60 X+
61 Y+
62 HPVDD
63 AUX1
64 AUX2
TSC2300
R1 32
RESET 31
KBIRQ 30
DGND 29
DVDD
2
8
I2SDOUT 27
I2SDIN 26
LRCLK 25
BCLK 24
MCLK 23
COO 22
COI 21
DAV 20
MISO 19
MOSI 18
SCLK 17
D
0.1 µF 1 to 10
D
µ_F
D
1 MΩ
15pF
D
15pFD
Voltage
Regulator
Main
Battery
A
Auxilliary Inputs
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
D
1 to 10
µF
0.1µF
AA
Secondary
Battery
Rrng
A
A
Voltage
Regulator
1 to 10
µF
D
LCD
Contrast
Control
0.1µF
D
Figure 44. Typical Circuit Configuration.
16