MAX11800_10 Datasheet, PDF (47/57 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
General Status Register (0x00) (Read Only)
NAME
DEFAULT
BIT 7
ADC_BUSY
0
BIT 6
LPM
0
BIT 5
TDM
0
BIT 4
SCAN
0
User Configuration Registers
BIT 3
FIFO_OVR
0
BIT 2
FIFO_INT
0
BIT 1
EDGE_INT
0
BIT 0
CONT_INT
0
BIT
NAME
7
ADC_BUSY
6
LPM
5
TDM
4
SCAN
3
FIFO_OVR
2
FIFO_INT
1
EDGE_INT
0
CONT_INT
DESCRIPTION
0: ADC is not in ACQ or CONV state
1: ADC is in ACQ or CONV state
This is for INTERNAL TEST only
0: Device is not in LPM or standby mode
1: Device is in LPM or standby mode
0: Device is not in TDM
1: Device is in TDM
0: No scan or measurement in progress
1: Scan or measurement in progress
Also indicates presence of a continuous touch in autonomous mode
0: FIFO overflow has not occurred (MAX11800/MAX11801)
1: FIFO has overflowed since last readback operation
Enabled only if AUTO = 1
0: No unread data in FIFO (MAX11800/MAX11801)
1: New data available in FIFO
Enabled only if AUTO = 1
0: No touch event in progress
1: Touch event in progress (cleared on ETAG = 10)
Enabled only if AUTO = 0 and EDGE_IRQ = 1
0: No touch present
1: Touch present (or conversion in progress)
Enabled only if AUTO = 0 and EDGE_IRQ = 0
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