MAX11800_10 Datasheet, PDF (54/57 Pages) Maxim Integrated Products – Low-Power, Ultra-Small Resistive Touch-Screen Controllers with I2C/SPI Interface

Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I²C/SPI Interface
Operating Mode Configuration Register (0x0B)
NAME
DEFAULT
BIT 7
PWRDN
1
BIT 6
BIT 5
AMODE[1:0]
0
0
BIT 4
APER
0
BIT 3
AVG_FLT
0
BIT 2
EN_AVG_XY
0
BIT 1
EN_AVG_Z
0
BIT 0


0
BIT
NAME
7
PWRDN
DESCRIPTION
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
6:5
AMODE[1:0]
00: Direct conversion mode (AUTO = 0) (MAX11800/MAX11801)
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)
4
APER
0: Disregard aperture criteria (MAX11800/MAX11801)
1: Enable aperture criteria (spatial filter)
(applies to autonomous modes only)
3
AVG_FLT
0: Use median averaging filters (ignore outliers)
1: Use straight averaging filters
2
EN_AVG_XY
0: Disable (X, Y) position averaging in selected mode
1: Enable (X, Y) position averaging in selected mode
1
EN_AVG_Z
0: Disable (Z1, Z2) pressure averaging in selected mode
1: Enable (Z1, Z2) pressure averaging in selected mode
0
RESERVED
Reserved bit.
*Any write access to 0x0B initiates an internal reset pulse. This pulse clears the FIFO and all measurement memories.
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