AK4184 Datasheet, PDF (15/36 Pages) Asahi Kasei Microsystems – TSC with Keypad Scanner and GPIO Expander

[AK4184]
D15 D14 D13 D12 D11 D10 D9 D8 D7
D6 D5 D4 D3 D2 D1 D0
Touch Screen Control Command Byte
Other(Keypad, GPIO, LCD bias) Control Command Byte
S A1 A0 PD X X X X W/R PAGE
ADDR[5:0]
MSB
LSB
Table 2. Control Command (X: don’t care)
PAGE Description
0
Data Register
1 Control Register
Table 3. Page Address
PAGE Addr
0
00H
Register
Name
KPDATA1
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
DERR KD3[4] KD3[3] KD3[2] KD3[1] KD3[0] KD2[4] KD2[3] KD2[2] KD2[1] KD2[0] KD1[4] KD1[3] KD1[2] KD1[1] KD1[0]
0
01H
KPDATA2
SERR KS2[4] KS2[3] KS3[2] KS3[1] KS3[0] KS2[4] KS2[3] KS2[2] KS2[1] KS2[0] KS1[4] KS1[3] KS1[2] KS1[1] KS1[0]
0
02H
-FH
Reserved
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10H
GPLR
0
0
0
0
0
0
0
0
GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
0
11H-
3FH
Reserved
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
00H
KEY
KST1 KST0 DBN2 DBN1 DBN0 HLD2 HLD1 HLD0
0
0
0
0
0
0
0
0
1
01H
KPMASK1
0
KM15 KM14 KM13 KM12 KM11 KM10
KM9
KM8
KM7
KM6
KM5
KM4
KM3
KM2
KM1
1
02H
KPMASK2
0
KM30 KM29 KM28 KM27 KM26 KM25 KM24 KM23 KM22 KM21 KM20 KM19 KM18 KM17 KM16
1
03H KPColumnMask
0
0
0
0
0
0
0
0
0
0
CM6
CM5
CM4
CM3
CM2
CM1
1
04H KPScanInitiate
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
05H-
07H
Reserved
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
08H
PDCTRL
0
0
0
0
0
0
0
0
0
0
0
0
0
0
KPPD TPPD
1
09H-
0FH
reserved
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
10H
GPSCR
0
0
0
0
0
0
0
0
SC7
SC6
SC5
SC4
SC3
SC2
SC1
SC0
1
11H
GPDR
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
0
0
0
0
0
0
0
0
1
12H
GPPU
PU7
PU6
PU5
PU4
PU3
PU2
PU1
PU0
0
0
0
0
0
0
0
0
1
13H
GPSR
PS7
PS6
PS5
PS4
PS3
PS2
PS1
PS0
0
0
0
0
0
0
0
0
1
14H-
17H
Reserved
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
18H
PWMCTL
LPU
0
0
BRV[4] BRV[3] BRV[2] BRV[1] BRV[0]
0
PACT
0
0
0
DIV2 DIV1 DIV0
1
19H-
3FH
Reserved
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Table 4. AK4184 Register Map
MS0603-E-00
15
2007/04