STMPE812ABJR STMicroelectronics, STMPE812ABJR Datasheet - Page 5

• Manufacturer Part Number: STMPE812ABJR
• Description: Touch Screen Converters & Controllers Touchscreen cntrlr S-Touch
• Manufacturer: STMicroelectronics
• Type: Resistive Touch Controllersr

Specifications of STMPE812ABJR

• Rohs: yes
• Input Type: 1 TSC
• Data Rate: 400 kbps
• Resolution: 12 bit
• Interface Type: 4-wire, I2C
• Supply Voltage: 1.65 V to 3.6 V
• Supply Current: 100 uA
• Operating Temperature: - 40 C to + 85 C
• Package / Case: CSP-12
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 1.65 V

STMPE812A
1.1
Pin configuration and functions
Figure 2.
Table 2.
Pin
B3
C3
D3
C2
D2
D1
Pin configuration (top through view)
Pin assignments
RESETN
Name
GND
SCL
Y+
X-
Y-
load at touchscreen
50 mA current limit
50 mA current limit
50 mA current limit
Current capacity
+8 mA/-12 mA at
Can be > 80 mA
and GPIO drive
Doc ID 18225 Rev 4
-4 mA
3.3 V
Y+
X-
Y-
Active low RESET (3.6 V tolerant within V
range). Typical reset filter duration is 788 ns at
1.8 V V
Ground
I
V
2
CC
C clock (fail safe, tolerant to 3.6 V regardless of
)
CC
.
STMPE812A functional overview
Function
CC
valid
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