VR4102 datasheet(388/701 Pages) NEC

388 / 701 page

CHAPTER 19 PIU (TOUCH PANEL INTERFACE UNIT)

388

(2/2)

Bit

Name

Function

D[6]

PADSCANSTART

Start setting for touch panel sequencer

1 : Forced start

0 : Do not start

D[5]

PADSCANTYPE

Touch pressure sampling enable

1: Enable

0: Prohibit

D[4..3]

PIUMODE[1..0]

PIU mode setting

11 : RFU

10 : RFU

01 : Operate A/D converter using any command

00 : Sample coordinate data

D[2]

PIUSEQEN

Scan sequencer operation enable

1 : Enable

0 : Prohibit

D[1]

PIUPWR

PIU power mode setting

1 : Set PIU output as active and change to standby mode

0 : Set panel to touch detection state and set PIU operation stop enabled mode

D[0]

PADRST

PIU reset. Once the PADRST bit is set to “1”, it is automatically cleared to 0 after four

TClock cycles.

1 : Reset

0 : Normal

This register is used to make various settings for the PIU.

Some bits in this register cannot be set in a specific state of scan sequencer. The combination of the setting of

this register and the sequencer state is as follows.

VR4102 Datasheet(PDF) 388 Page - NEC

VR4102 Datasheet(HTML) 388 Page - NEC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL