MAX11803 Maxim Integrated Products, MAX11803 Datasheet - Page 52

• Manufacturer Part Number: MAX11803
• Description: (MAX11800 - MAX11803) Ultra-Small Resistive Touch-Screen Controllers
• Manufacturer: Maxim Integrated Products

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Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I
Aperture Configuration Register (0x09) (MAX11800/MAX11801)
Note: These aperture settings apply in autonomous conversion mode only and control whether data meets the criteria for logging
into the FIFO.
52
NAME
DEFAULT
______________________________________________________________________________________
BIT
7:4
3:0
APRX[3:0]
APRY[3:0]
BIT 7
0
NAME
BIT 6
0
APRX[3:0]
±ΔX for aperture checking
0000 = 2
0001 = 2
0010 = 2
0011 = 2
.
.
.
1001 = 2
1010 = 2
1011 = 2
1100 = 2
1101 to 1111 = aperture checking disabled
±ΔY for aperture checking
APRY[3:0] has the same range as APRX[3:0] above.
2
BIT 5
C/SPI Interface
0
-1
(1-1)
(2-1)
(3-1)
(9-1)
(10-1)
(11-1)
(12-1)
LSB = aperture checking disabled
LSB = ±1 LSB
LSB = ±2 LSB
LSB = ±4 LSB
LSB = ±256 LSB
LSB = ±512 LSB
LSB = ±1024 LSB
LSB = ±2048 LSB
BIT 4
0
BIT 3
0
DESCRIPTION
BIT 2
0
APRY[3:0]
BIT 1
0
BIT 0
0