BU21029GUL Datasheet, PDF (19/29 Pages) Rohm – 4-wire Resistive Touch Screen Controller

BU21029GUL
Table 14. CFR2 Register (PAGE=0, ADDR=0x2, Reset value=0x04)
D7
D6
D5
D4
D3
D2
D1
D0
INTVL_TIME[3:0]
TIME_ST_ADC[3:0]
Bits D7-D4: INTVL_TIME
This sets the waiting time between completion of conversion and start of next conversion.
(Only usable setting at conversion function=0x0.)
If used, set value as four or more.
Table 15. INTVL_TIME setting
value
time
0x0～0x3 Reserved
0x4
0.256ms
0x5
1.024ms
0x6
2.048ms
0x7
4.096ms
0x8
5.120ms
0x9
8.912ms
0xA 10.240ms
0xB 15.360ms
0xC～0xF 20.480ms
※Times shown above are calculated with oscillating frequency of internal OSC at 8MHz.
Bit D3-D0 : TIME_ST_ADC
This sets the waiting time between application of voltage to panel and start of A/D conversion.
Table 16. TIME_ST_ADC Setting
value
time
0x0
10us
0x1
20us
0x2
30us
0x3
40us
0x4
50us
0x5
60us
0x6
70us
0x7
80us
0x8
90us
0x9
100us
0xA
200us
0xB
250us
0xC
300us
0xD
350us
0xE
400us
0xF
450us
※Times shown above are calculated with oscillating frequency of internal OSC at 8MHz.
Datasheet
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TSZ22111・15・001
19/26
TSZ02201-0Y1Y0F300120-1-2
11.Nov.2013 Rev.002