MPR081EJ FREESCALE [Freescale Semiconductor, Inc], MPR081EJ Datasheet - Page 14

• Manufacturer Part Number: MPR081EJ
• Description: Touch Pad Controller
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

MPR081
14
Table 18. Sleep Period Register Format
Table 17. Sounder Configuration Register Format
Sleep Mode is disabled, sensor is always running
Sleep period is 10 x touch acquisition sample period
Sleep period is 20 x touch acquisition sample period
Sleep period is 30 x touch acquisition sample period
Sleep period is 40 x touch acquisition sample period
Sleep period is 50 x touch acquisition sample period
Sleep period is 60 x touch acquisition sample period
Sleep period is 70 x touch acquisition sample period
Sleep period is 80 x touch acquisition sample period
Sleep period is 90 x touch acquisition sample period
Sleep period is 100 x touch acquisition sample period
Idle timeout period is 8 x touch acquisitions sample period
Idle timeout period is 16 x touch acquisitions sample period
Idle timeout period is 32 x touch acquisitions sample period
Idle timeout period is 112 x touch acquisitions sample period
Idle timeout period is 120 x touch acquisitions sample period
Globally disable sounder output
Globally enable sounder output
Sounder frequency is 1 kHz
Sounder frequency is 2 kHz
Sounder click period is 10 ms
Sounder click period is 20 ms
Read Sounder Configuration Register
Write Sounder Configuration Register
Read Number of Position Register
Write Number of Position Register
Register
—all the way through to—
Register
R/W
1
0
1
Register Address
0x07
R/W
1
0
1
Register
Address
0x08
D7
0
X
X
X
X
X
X
X
D6
0
X
X
X
X
X
X
X
D7
—
X
X
X
X
X
X
X
X
X
X
0
0
0
0
1
1
D5
0
X
X
X
X
X
X
X
D6
—
X
X
X
X
X
X
X
X
X
X
0
0
0
0
1
1
D4
0
X
X
X
X
X
X
X
Duration of Sleep Cycle
D5
—
Register Data
0
X
X
X
X
X
X
X
X
X
X
0
1
1
1
1
D3
X
X
X
X
X
X
X
0
Register Data
D4
SoundD
—
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
D2
Freescale Semiconductor
X
X
X
X
0
1
D3
—
X
X
X
X
X
0
0
0
0
0
0
0
1
1
1
1
SoundF SoundEN
D2
D1
—
X
X
X
X
X
X
X
X
X
0
0
0
1
1
1
1
0
0
0
0
0
1
D1
—
0
1
1
0
0
1
1
0
0
1
1
X
X
X
X
X
Sensors
D0
0
1
1
1
1
1
D0
—
X
X
X
X
X
0
0
1
0
1
0
1
0
1
0
0