900844 Datasheet, PDF (96/118 Pages) Freescale Semiconductor, Inc – Integrated Power Management IC for Ultra-mobile and Embedded Applications

FUNCTIONAL DEVICE OPERATION
ADC SUBSYSTEM
Table 68. ADC Control Registers Structure and Bits Description
Name
Bits
Description
ADSLP
RSVD
PENDETEN
ADSTRT
ADEN
ADCCNTL2 (ADDR 0x61 - R/W -Default Value: 0x00)
2:0 ^{ADC sleep time before starting another cycle}
x0 = Continuous Loop
x1 = 4.5 ms
x2 = 9.0 ms
x3 = 13.5 ms
x4 = 18 ms
x5 = 22.5 ms
x6 = 27 ms
x7 = No Loop
4:3 ^Reserved
5 Enable Touch Screen Pen Detect Bias
x0 = Disabled
x1 = Enabled
6 ^{ADC Round Robin Start Signal}
x0 = Stop round robin after the current cycle
x1 = Start round robin
7 ^{Bring the ADC out of low power state, this overrides wake from sleep}
x0 = Disable in low power
x1 = Enable at full power
ADEXGAIN10
ADEXGAIN11
ADEXGAIN12
ADEXGAIN13
ADEXGAIN14
ADEXGAIN15
ADEXGAIN16
ADEXGAIN17
ADCCNTL3 (ADDR 0x62 - R/W -Default Value: 0x00)
0 Gain bit for ADC channel 10, ignore when touch screen is biased
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
1 ^{Gain bit for ADC channel 11, ignore when touch screen is biased}
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
2 ^{Gain bit for ADC channel 12, ignore when touch screen is biased}
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
3 Gain bit for ADC channel 13, ignore when touch screen is biased
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
4 ^{Gain bit for ADC channel 14}
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
5 ^{Gain bit for ADC channel 15}
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
6 Gain bit for ADC channel 16
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
7 ^{Gain bit for ADC channel 17}
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
ADEXGAIN18
ADEXGAIN19
ADCCNTL4 (ADDR 0X63 - R/W -DEFAULT VALUE: 0X00)
0 ^{Gain bit for ADC channel 18}
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
1 ^{Gain bit for ADC channel 19}
x0 = x1 (0-2.0 V input range)
x1 = x10 (0-200 mV input range)
900844
96
Analog Integrated Circuit Device Data
Freescale Semiconductor