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88F6281
Hardware Specifications
Doc. No. MV-S104859-U0 Rev. E Copyright © 2008 Marvell
Page 38 Document Classification: Proprietary Information December 2, 2008, Preliminary
1.2.13 Two-Wire Serial Interface (TWSI) Interface
Note
All of the TWSI signals are multiplexed on the MPP pins (see Section 4, Pin Multiplexing,
on page 51
).
Table 15: Two-Wire Serial Interface (TWSI) Interface Pin Assignment
Pin Name I/O Pin
Type
Power
Rail
Description
TW_SDA o/d
I/O
CMOS VDDO TWSI Port Serial Data
Address or write data driven by the TWSI master or read
response data driven by the TWSI slave.
NOTE: Requires a pull-up resistor to VDDO.
TW_SCK o/d
I/O
CMOS VDDO TWSI Port Serial Clock
Serves as output when acting as an TWSI master.
Serves as input when acting as an TWSI slave.
NOTE: Requires a pull-up resistor to VDDO.