AKD4184-A Datasheet, PDF (18/24 Pages) Asahi Kasei Microsystems – Analog I/F IC which includes 4-wire resistive Touch Screen Controller

5
4
3
2
D
PWM
C
LEDVIN
B
A
JP18
PWM
R59
(open)
U3
R58
R57
(open) (open)
13 _NC
CONT ⁸
R52
100k
14 _VIN
GND ⁷
AK7953
R42
75
C12
15 _GND
VFB ⁶
1u
16 _GND
OUT2 ⁵
L6
1
2
10uH
D1
MA21D38 C13
1u
C14
(open)
PEN
DOUT
BUSY
KEY
VCC
JP21
DOUT_PD
R56
100k
C15
0.1u
U5
3 _A1
4 _A2
5 _A3
6 _A4
7 _A5
8 _A6
9 _A7
10 _A8
B1 ²¹
B2 ²⁰
B3 ¹⁹
B4 ¹⁸
B5 ¹⁷
B6 ¹⁶
B7 ¹⁵
B8 ¹⁴
74AVC8T245
2 _DIR
OE ²²
1 _VCCA
VCCB ²⁴
11 _GND
12 _GND
VCCB
GND
23
C16
0.1u
13
R43 51
R44 51
R45 51
R46 51
IFVCC
RST
CSN
SCLK
DIN
R53 1k R54 1k
C17
0.01u
L
H
SW31
RESET
U6
3 _A1
4 _A2
5 _A3
6 _A4
7 _A5
8 _A6
9 _A7
10 _A8
B1 ²¹
B2 ²⁰
B3 ¹⁹
B4 ¹⁸
B5 ¹⁷
B6 ¹⁶
B7 ¹⁵
B8 ¹⁴
R47 51
R48 51
R49 51
R50 51
74AVC8T245
2 _DIR
OE ²²
C18
1 _VCCA
0.1u
11 _GND
12 _GND
VCCB
VCCB
GND
24
23
C19
0.1u
13
5
4
3
2
1
PORT1
KEYIRQN 13
25
PENIRQN 12
24
D
BUSY
11
23
DOUT
10
22
9
21
8
20
7
19
6
18
RESETN 5
17
CSN
4
16
SCLK
3
15
DIN
2
14
1
PARALLEL 25P
C
R51 (open)
PORT2
SCLK 10
CSN 8
DIN
6
RESETN 4
GND 2
9 VCCIO
7 KEYIRQN
5 PENIRQN
3 BUSY
1 DOUT
Digital IF
PORT3
B
10
8
CSN 6
DIN
4
RESETN 2
9
7 GND
5 SCLK
3 DOUT
1 GND
USB I/F Board
A
Title
AKD4184-A
Size Document Number
A3
LED Driver, Digital I/F
Date:
Wednesday, November 15, 2006 Sheet
1
4
of
Rev
0
4