MAX11800–MAX11803
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I2C/SPI Interface
56
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BIT
7654
32
1
0
NAME
PWRDN
AMODE[1:0]
APER
AVG_FLT
EN_AVG_XY
EN_AVG_Z
DEFAULT
1
0
BIT
NAME
DESCRIPTION
MAX11800/
MAX11801
MAX11802/
MAX11803
7
PWRDN
0: Device is powered up and operational in either a direct or
autonomous conversion mode (see AMODE[1:0] below).
1: Device is powered down, OTP is held in reset
Yes
6:5
AMODE[1:0]
00: Direct conversion mode (AUTO = 0)
01: Autonomous X and Y scan (AUTO = 1)
10: Autonomous X, Y, Z1 scan (AUTO = 1)
11: Autonomous X, Y, Z1, Z2 scan (AUTO = 1)
Yes
No
4
APER
0: Disregard aperture criteria
1: Enable aperture criteria (spatial filter)
(applies to autonomous modes only)
Yes
No
3
AVG_FLT
0: Use median averaging filters (ignore outliers)
1: Use straight averaging filters
Yes
2
EN_AVG_XY
0: Disable (X, Y) position averaging in selected mode
1: Enable (X, Y) position averaging in selected mode
Yes
1
EN_AVG_Z
0: Disable (Z1, Z2) pressure averaging in selected mode
1: Enable (Z1, Z2) pressure averaging in selected mode
Yes
0
—
Reserved
—
Operating Mode Configuration Register (0x0B)