ak4180 AKM Semiconductor, Inc., ak4180 Datasheet - Page 14

• Manufacturer Part Number: ak4180
• Description: Touch Screen Controller
• Manufacturer: AKM Semiconductor, Inc.

[ASAHI KASEI]
AXIS = ((!A2) & (!A1) & (A0))
EN1 = ((!CSN) & (!CONV) & AXIS & PD0)
EN2 = ((!CSN) & (!CONV) & (!PD0))
<MS0195-E-01>
Int ern al
CON V
CSN
DOU T
DCLK
BUSY
DIN
| ((!A2) & (A1) & (A0))
| ((A2) & (!A1) & (!A0))
| ((A2) & (!A1) & (A0));
| ((!CSN) & AXIS & CONV);
| (CSN & (!(PD1& PD0));
EN1
/* CSN=”L”, X/Y/Z1/Z2 Measurement, PD0 = 1, NOT “CONV period” */
/* CSN=”L”, X/Y/Z1/Z2 Measurement, “CONV period” */
/* CSN=”L”, PD0 = 1, NOT “CONV period” */
/* CSN=”H”, (PD0, PD1) is not (1,1) */
S
1
A2
2
A1
3
A0
4
/* X-axis Measurement */
/* Z1 Measurement */
/* Z2 Measurement */
/* Y-axis Measurement */
Figure 6 PENIRQ Functional Block Diagram
MO
5
SER/
DFR
20k
6
PD1
7
PD0
8
9
11
10
EN2
10
11
14
Driver OFF
9
Driver ON
12
8
13
7
14
6
15
5
16
4
17
3
18
2
XP
YN
19
PENIRQN
1
20
0
100k
21
22
23
24
2003/02
[AK4180]