MAX1234ETI+T Maxim Integrated Products, MAX1234ETI+T Datasheet - Page 27

• Manufacturer Part Number: MAX1234ETI+T
• Description: IC CNTRLR TOUCH 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Resistiver

Specifications of MAX1234ETI+T

• Touch Panel Interface: 4-Wire
• Number Of Inputs/keys: 1, 4 x 4 Keypad
• Resolution (bits): 8, 10, 12 b
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Data Rate/sampling Rate (sps, Bps): 50k
• Voltage Reference: Internal
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Applications: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 30. Analog Inputs Data Register Format
Table 31. Keypad Data Registers
Table 32. Keypad Data Register Descriptions
COMMAND
COMMAND
Controllers Include DAC and Keypad Controller
0x8000
0x8001
0x8002
0x8003
0x8005
0x8006
0x8007
0x8008
0x8009
0x800A
0x8004
0x8010
0x8011
READ
READ
BIT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
REGISTER
REGISTER
m askabl e)
m askabl e)
KPData1
KPData2
(column
TEMP1
TEMP2
NAME
BATT1
BATT2
NAME
AUX1
AUX2
KPD
(key
Z1
Z1
X
Y
NAME
K15
K14
K13
K12
K11
K10
______________________________________________________________________________________
K9
K8
K7
K6
K5
K4
K3
K2
K1
K0
BIT15 BIT14 BIT13 BIT12 BIT11 BIT10 BIT9
BIT15 BIT14 BIT13 BIT12 BIT11 BIT10 BIT9 BIT8 BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0
K1_15 K1_14 K1_13 K1_12 K1_11 K1_10 K1_9 K1_8 K1_7 K1_6 K1_5 K1_4 K1_3 K1_2 K1_1 K1_0
K2_15 K2_14 K2_13 K2_12 K2_11 K2_10 K2_9 K2_8 K2_7 K2_6 K2_5 K2_4 K2_3 K2_2 K2_1 K2_0
K15
0
0
0
0
0
0
0
0
0
0
Keypad scan result for row 4, column 4. Can only be masked by column mask.
Keypad scan result for row 3, column 4. Can only be masked by column mask.
Keypad scan result for row 2, column 4. Can only be masked by column mask.
Keypad scan result for row 1, column 4. Can only be masked by column mask.
Keypad scan result for row 4, column 3. Can only be masked by column mask.
Keypad scan result for row 3, column 3. Can only be masked by column mask.
Keypad scan result for row 2, column 3. Can only be masked by column mask.
Keypad scan result for row 1, column 3. Can only be masked by column mask.
Keypad scan result for row 4, column 2. Can only be masked by column mask.
Keypad scan result for row 3, column 2. Can only be masked by column mask.
Keypad scan result for row 2, column 2. Can only be masked by column mask.
Keypad scan result for row 1, column 2. Can only be masked by column mask.
Keypad scan result for row 4, column 1. Can only be masked by column mask.
Keypad scan result for row 3, column 1. Can only be masked by column mask.
Keypad scan result for row 2, column 1. Can only be masked by column mask.
Keypad scan result for row 1, column 1. Can only be masked by column mask.
K14
0
0
0
0
0
0
0
0
0
0
±15kV ESD-Protected Touch-Screen
K13
0
0
0
0
0
0
0
0
0
0
K12
0
0
0
0
0
0
0
0
0
0
Z1_11 Z1_10 Z1_9 Z1_8 Z1_7 Z1_6 Z1_5 Z1_4 Z1_3 Z1_2 Z1_1 Z 1_0
Z2_11 Z2_10 Z2_9 Z2_8 Z2_7 Z2_6 Z2_5 Z2_4 Z2_3 Z2_2 Z2_1 Z 2_0
B1_11 B1_10 B1_9 B1_8 B1_7 B1_6 B1_5 B1_4 B1_3 B1_2 B1_1 B1_0
B2_11 B2_10 B2_9 B2_8 B2_7 B2_6 B2_5 B2_4 B2_3 B2_2 B2_1 B2_0
A1_11 A1_10 A1_9 A1_8 A1_7 A1_6 A1_5 A1_4 A1_3 A1_2 A1_1 A1_0
A2_11 A2_10 A2_9 A2_8 A2_7 A2_6 A2_5 A2_4 A2_3 A2_2 A2_1 A2_0
T1_11 T1_10 T1_9 T1_8 T1_7 T1_6 T1_5 T1_4 T1_3 T1_2 T1_1 T1_0
T2_11 T2_10 T2_9 T2_8 T2_7 T2_6 T2_5 T2_4 T2_3 T2_2 T2_1 T2_0
X11
Y11
K11
X10
Y10
K10
K9
X9
Y9
BIT8
X8
Y8
K8
DESCRIPTION
BIT7
X7
Y7
K7
BIT6
X6
Y6
K6
BIT5
K5
X5
Y5
BIT4
X4
Y4
K4
BIT3
X3
Y3
K3
BIT2
K2
X2
Y2
BIT1
K1
X1
Y1
BIT0
K0
X0
Y0
27