STMPE1801BJR STMicroelectronics, STMPE1801BJR Datasheet - Page 23

• Manufacturer Part Number: STMPE1801BJR
• Description: Touch Screen Converters & Controllers Xpander Logic 18-Bit 18 GPIO 1.65 to 3.6V
• Manufacturer: STMicroelectronics

Specifications of STMPE1801BJR

• Rohs: yes
• Input Type: 1 Keypad
• Data Rate: 400 kbps
• Resolution: 18 bit
• Interface Type: I2C
• Supply Voltage: 1.65 V to 3.6 V
• Supply Current: 28 uA
• Operating Temperature: - 40 C to + 85 C
• Package / Case: CSP-25
• 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

STMPE1801
8.0.2
Power mode programming sequence
The device enters auto Hibernate mode when there is inactivity for a fixed period of time.
To wake up the device, the host is required to:
To do a soft reset to the device, the host needs to do the following:
To come out of the Hibernate mode, the following needs to be done by the host:
–
–
–
–
–
Send an I
Write a '1' to bit 7 of the SYS_CTRL register. This bit is automatically cleared upon
reset.
Assert a system reset
Or put a wakeup on the I
Interrupt activity
2
C transaction to the device.
Doc ID 17884 Rev 3
2
C transaction
Clocking system
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