SX8652ICSTRT Semtech, SX8652ICSTRT Datasheet - Page 19

• Manufacturer Part Number: SX8652ICSTRT
• Description: 4/5-wire Resistive Touch Screen Controller (SPI)
• Manufacturer: Semtech

6.1.4. SPI Host Commands
.The host can issue commands to change the operation mode or perform manual actions as defined in Table 10.
The channels are defined in Table 11
.
Revision V1.6/July 2010
©2010 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
command name
CONVERT(CHAN)
SELECT(CHAN)
MANAUTO
PENTRG
PENDET
Channel
reserved
reserved
AUX
SEQ
Z1
Z2
X
Y
7
1
1
1
1
1
6
0
0
0
1
1
2
0
0
0
0
1
1
1
1
5
0
0
1
0
1
CHAN(2:0)
Table 11. Channel definition
Table 10.
1
0
0
1
1
0
0
1
1
4
0
1
1
0
0
CR(7:0)
15kV ESD Low Power 4-Wire / 5-Wire Resistive
0
0
1
0
1
0
1
0
1
Page 19
3
x
x
x
x
x
Host Commands
X channel
Y channel
First channel for pressure measurement
Second channel for pressure measurement
Auxiliary channel
Channel sequentially selected from RegChanMsk
register, (see Table 13)
Touchscreen Controller with SPI Interface
2
x
x
x
CHAN(2:0)
CHAN(2:0)
1
x
x
x
Function
0
x
x
x
Bias channel (see Table 11 for CHAN)
Bias channel (see Table 11 for CHAN)
Wait POWDLY settling time
Run conversion
Enter manual or automatic mode.
Enter pen detect mode.
Enter pen trigger mode.
Function
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