STMPE1601 STMicroelectronics, STMPE1601 Datasheet - Page 12
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STMPE1601
Manufacturer Part Number
STMPE1601
Description
16-bit Enhanced Port Expander With Keypad And Pwm Controller Xpander Logic
Manufacturer
STMicroelectronics
Datasheet
1.STMPE1601.pdf
(60 pages)
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I2C interface
6
12/60
I
The features that are supported by the I
●
●
●
●
●
●
●
●
The address is selected by the state of 3 pins. The state of the pins is read upon reset and
then the pins can be configured for normal operation. The pins have a pull-up or down to set
the address. The I
registers in the STMPE1601.
Table 12.
2
C interface
I
Operates at 1.8 V
Compliant to Philips I
Supports standard (up to 100kbps) and fast (up to 400 kbps) modes
7-bit and 10-bit device addressing modes
General Call
Start/Restart/Stop
Address up to 8 STMPE1601 devices via the I
2
C slave device
A2
0
0
0
0
1
1
1
1
I
2
C addresses
2
C interface module allows the connected host system to access the
2
C specification version 2.1
A1
0
0
1
1
0
0
1
1
2
C interface are listed below:
2
C interface
A0
0
1
0
1
0
1
0
1
Address
40h
41h
42h
43h
44h
45h
46h
47h
STMPE1601