stmpe1600 STMicroelectronics, stmpe1600 Datasheet - Page 11

• Manufacturer Part Number: stmpe1600
• Description: 16-bit Port Expander With Ultra-low Power Consumption Xpander Logictm
• Manufacturer: STMicroelectronics

STMPE1600
3.1
Table 6.
Note: All other second byte values will be ignored.
Turning I
The STMPE1600 operates entirely on the I
bus, current consumption of the device is extremely low. However, when there is activity on
the I
assigned address.
The host system may choose to shut-down the I
the registers is required. This feature allows the current consumption to drop to the
minimum. Host system turns OFF the I
block will shut down on the next valid clock edge of the I
device cannot be accessed by I
To turn ON the I
I
up function.
2
C block either by removing V
R/W
0
0
0
2
C bus, current consumption increases, even if the I
Second Byte Value
General call
2
C block OFF and ON
2
0x06
0x04
0x00
C block, system host must reset the STMPE1600 in order to re-activate the
2-byte transaction in which the second byte tells the slave device
to reset and write (or latch in) the 1-bit programmable part of the
slave address.
2-byte transaction in which the second byte tells the slave device
not to reset and write (or latch in) the 1-bit programmable part of
the slave address.
Not allowed as second byte.
Doc ID 16938 Rev 1
CC
2
C, as the I
and bringing it back again. Or by using GPIO_0 for wake-
2
C block by writing '1' into the I2C_SHDN bit. The I2C
2
2
C has shut down completely.
C clock. When there is no activity on the I
2
C block in the STMPE1600, if no access to
Definition
2
2
C clock signal. In this state, the
C traffic is not directed to the
I2C features
2
C
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