MAX11800_10 Datasheet, PDF (45/57 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
Table 19. FIFO Data Readback Command (Autonomous Mode Only––MAX11800/MAX11801)
HEX
50h
R6
R5
R4
R3
R2
R1
R0
ACCESS AUTOINCREMENT
DATA
LENGTH
OPERATION
1 0 1 0 0 0 X Read
No
INF
Read next available FIFO
data block
Table 20. Data Readback Commands (Direct Mode Only)
HEX
R6
R5 R4 R3 R2 R1 R0 ACCESS AUTOINCREMENT
DATA
LENGTH
OPERATION
52h 1 0 1 0 0 1 0 Read
Yes
53h 1 0 1 0 0 1 1 Read
Yes
8
X = MSB (direct conversion result)
8
X = LSB (direct conversion result)
54h 1 0 1 0 1 0 0 Read
Yes
55h 1 0 1 0 1 0 1 Read
Yes
56h 1 0 1 0 1 1 0 Read
Yes
8
Y = MSB (direct conversion result)
8
Y = LSB (direct conversion result)
8
Z1 = MSB (direct conversion result)
57h 1 0 1 0 1 1 1 Read
Yes
58h 1 0 1 1 0 0 0 Read
Yes
8
Z1 = LSB (direct conversion result)
8
Z2 = MSB (direct conversion result)
59h 1 0 1 1 0 0 1 Read
Yes
5Ah 1 0 1 1 0 1 0
Read
Yes
5Bh 1 0 1 1 0 1 1 Read
No
8
Z2 = LSB (direct conversion result)
8
AUX MSB (direct conversion result)
8
AUX LSB (direct conversion result)
Table 21. I²C Readback Register Settings Following Conversion Commands
COMMAND
X = panel setup
Y = panel setup
Z1 = panel setup
Z2 = panel setup
X, Y = combined command
X, Y, Z1 = combined command
X, Y, Z1, Z2 = combined command
AUX = conversion
X = measurement
Y = measurement
Z1 = measurement
Z2 = measurement
READBACK REGISTER LOCATION
52h
54h
56h
58h
52h
52h
52h
5Ah
52h
54h
56h
58h
DESCRIPTION
X = MSB
Y = MSB
Z1 = MSB
Z2 = MSB
X = MSB
X = MSB
X = MSB
AUX = MSB
X = MSB
Y = MSB
Z1 = MSB
Z2 = MSB
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