STMPE1801BJR STMicroelectronics, STMPE1801BJR Datasheet - Page 21

• 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
7.2.2
Any keypad activity, interrupt event, hotkey activity or VALID I
device from Hibernate mode and switches to operational mode automatically.
Keypress detect in the Hibernate mode
When in Hibernate mode, any keypress detected causes the system to go into operational
mode (~48
detected is valid, the system stays in operation mode. If the key detected is invalid, the
system goes back into Hibernate mode.
µs)
. The system will then de-bounce the key to detect a valid key. If the keypress
Doc ID 17884 Rev 3
2
C transaction wakes up the
System controller
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