STMPE1801BJR STMicroelectronics, STMPE1801BJR Datasheet - Page 25

• 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
9.1
Table 11.
9.2
Address
0C
0D
0A
0B
0E
0F
04
05
06
07
08
09
Interrupt system register map
Interrupt system register map
INT_CTRL_LOW
INT_CTRL_HIGH
INT_EN_MASK_LOW
INT_EN_MASK_HIGH
INT_STA_LOW
INT_STA_HIGH
INT_EN_GPIO_MASK_LOW
INT_EN_GPIO_MASK_MID
INT_EN_GPIO_MASK_HIGH
INT_STA_GPIO_LOW
INT_STA_GPIO_MID
INT_STA_GPIO_HIGH
Interrupt latency for the GPIO hot keys
When the generation of interrupts by the GPIO as input is enabled for the hot keys, the
latency (time taken from actual transition at GPIO to time of INT pin assertion) is shown in
the following table:
Table 12.
State of operation
Register name
Hibernation
GPIO hot keys interrupt latency
Active
Doc ID 17884 Rev 3
Interrupt control register
Interrupt enable mask register
Interrupt status register
Interrupt enable GPIO mask register
Interrupt status GPIO register
Interrupt latency
>200 µs (default)
>200 µs (default)
Description
Latency can be programmed by
the GPI_DB bits of SYS_CTRL
register
(during sequential R/W)
Auto-increment
Comments
Interrupt system
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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