MAX1233_05 Datasheet, PDF (28/45 Pages) Maxim Integrated Products – ±15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller

±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
Table 33. Keypad Data Register 1 (Pending Register) Descriptions
BIT
NAME
DESCRIPTION
15
K1_15 Keypad scan result for row 4, column 4. Can only be masked by column mask.
14
K1_14 Keypad scan result for row 3, column 4. Can only be masked by column mask.
13
K1_13 Keypad scan result for row 2, column 4. Can only be masked by column mask.
12
K1_12 Keypad scan result for row 1, column 4. Can only be masked by column mask.
11
K1_11 Keypad scan result for row 4, column 3. Can only be masked by column mask.
10
K1_10 Keypad scan result for row 3, column 3. Can only be masked by column mask.
9
K1_9
Keypad scan result for row 2, column 3. Can only be masked by column mask.
8
K1_8
Keypad scan result for row 1, column 3. Can only be masked by column mask.
7
K1_7
Keypad scan result for row 4, column 2. Can only be masked by column mask.
6
K1_6
Keypad scan result for row 3, column 2. Can only be masked by column mask.
5
K1_5
Keypad scan result for row 2, column 2. Can only be masked by column mask.
4
K1_4
Keypad scan result for row 1, column 2. Can only be masked by column mask.
3
K1_3
Keypad scan result for row 4, column 1. Can only be masked by column mask.
2
K1_2
Keypad scan result for row 3, column 1. Can only be masked by column mask.
1
K1_1
Keypad scan result for row 2, column 1. Can only be masked by column mask.
0
K1_0
Keypad scan result for row 1, column 1. Can only be masked by column mask.
Table 34. Keypad Data Register 2 (Status Register) Descriptions
BIT
NAME
DESCRIPTION
15
K2_15 Keypad scan result for row 4, column 4. Can be masked by key mask or column mask.
14
K2_14 Keypad scan result for row 3, column 4. Can be masked by key mask or column mask.
13
K2_13 Keypad scan result for row 2, column 4. Can be masked by key mask or column mask.
12
K2_12 Keypad scan result for row 1, column 4. Can be masked by key mask or column mask.
11
K2_11 Keypad scan result for row 4, column 3. Can be masked by key mask or column mask.
10
K2_10 Keypad scan result for row 3, column 3. Can be masked by key mask or column mask.
9
K2_9
Keypad scan result for row 2, column 3. Can be masked by key mask or column mask.
8
K2_8
Keypad scan result for row 1, column 3. Can be masked by key mask or column mask.
7
K2_7
Keypad scan result for row 4, column 2. Can be masked by key mask or column mask.
6
K2_6
Keypad scan result for row 3, column 2. Can be masked by key mask or column mask.
5
K2_5
Keypad scan result for row 2, column 2. Can be masked by key mask or column mask.
4
K2_4
Keypad scan result for row 1, column 2. Can be masked by key mask or column mask.
3
K2_3
Keypad scan result for row 4, column 1. Can be masked by key mask or column mask.
2
K2_2
Keypad scan result for row 3, column 1. Can be masked by key mask or column mask.
1
K2_1
Keypad scan result for row 2, column 1. Can be masked by key mask or column mask.
0
K2_0
Keypad scan result for row 1, column 1. Can be masked by key mask or column mask.
28 ______________________________________________________________________________________