AK4185 AKM [Asahi Kasei Microsystems], AK4185 Datasheet - Page 15

• Manufacturer Part Number: AK4185
• Manufacturer: AKM [Asahi Kasei Microsystems]

Channel
Selection
(3) Setup Command configuration
Setup Command Function
MS0954-E-00
A2 A1 A0
(2) 5-wire touch panel configuration
0
0
0
0
1
1
1
1
TR: VDD ON/OFF, BL: VSS ON/OFF
0
0
1
1
0
0
1
1
D6-D4
D3-D1
BIT
D7
D0
0
1
0
1
0
1
0
1
Note 9. Do not write “1” data to the bits named “0”.
Table 6. Control Command List (5-wire) (The combination other than above is invalid.)
Status of
Driver Switch
TR-Driver
A2-A0
Name
Addr
R/W
Addr
OFF
OFF
00H
01H
02H
03H
04H
05H
06H
07H
ON
ON
S
-
-
-
Setup command. must write “010”
Addr Selection
Start Bit.
READ/ WRITE
Function 1
Function 2
Function 3
Function 4
Command
Reserved
Reserved
Reserved
BL-Driver
NAME
“000”: Function 1
“001”: Function 2
“010”: Function 3
“011”: Function 4
“111”: Command of internal clock mode
0: Write (When Addr bits = “111”, Sequential Mode is started.)
1: Read (When Addr bits = “111”, A/D data is read out.)
This bit must be “H” because the AK4185 initiates the command recognition.
OFF
OFF
ON
ON
-
-
-
Table 8. Setup Command List (x: Don’t care.)
Table 7. Setup Command description
ADC input
TEMP0
TEMP1
(ΔAIN)
WIPER
WIPER
(Table
AIN+
PANEL
-
-
-
D3
0
0
0
x
(Table
(Table
(Table
(Table
SLEEP[1:0]
8)
AIN-
INTERVAL[2:0]
VSS
VSS
BL
BL
- 15 -
9)
10)
11)
12)
-
-
-
CONTINUE
SEQM[2:0]
D2
0
0
0
x
Reference Voltage
VREF+
(ΔVREF)
VREF
VREF
Description
TR
TR
-
-
-
COUNT
VREF-
VSS
VSS
D1
BL
BL
0
0
0
x
-
-
-
SEQST[1:0]
TEMP0
Setup Command
Reserved
Reserved
Reserved
TEMP1
Note
Y-axis
(Table
X-axis
DDLY
D0
0
0
0
0
0
x
7)
Ref. Mode
[AK4185]
2008/05
DFR
DFR
SER
SER
-
-
-
-