WM_PRJ_Q2501_PTS_002
- 001
March
2004
confidential ©
Page:
30 / 79
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3.3.3.2 Two-wire
bus
The 2-wire interface includes clock and data signals complying with a standard
96 kHz interface.
Each signal has to be pulled-up to VCC via an external 2.2 k
Ω
resistor.
The maximum speed transfer is 400 kbits/s.
Pin description
Signal
Pin #
I/O
I/O type
Description
SCL/SPI_CLK
30
O
3X
Serial Clock
SDA/SPI_IO
28
I/O
CMOS/3X Serial Data
WISMO Q2501
Application
processor
(DTE)
SDA/SPI_IO
SCL/SPI_CLK
Figure 15: example of 2 wire bus application
Summary of Contents for WISMO Quik Q2501
Page 69: ......
