MV78100 Datasheet, PDF (34/124 Pages) –

MV78100
Hardware Specifications
2.2.9
TWSI Interface Pin Assignment
Table 12: TWSI Interface Pin Assignments
Pin Name
I/O Pin
Ty p e
Power
Rails
Description
TWSI0_SDA
o/d CMOS
I/O
VDDO_B
TWSI port0 SDA
Address or write data driven by the TWSI master or read response
data driven by the TWSI slave.
NOTE: Requires a pullup resistor to VDDO_B.
TWSI0_SCK
o/d CMOS
I/O
VDDO_B
TWSI port0 Serial Clock
Serves as output when acting as an TWSI master.
Serves as input when acting as an TWSI slave.
NOTE: Requires a pullup resistor to VDDO_B.
TWSI1_SDA
o/d CMOS
I/O
VDDO_A
TWSI port1 SDA
Address or write data driven by the TWSI master or read response
data driven by the TWSI slave.
NOTE: Requires a pull-up 4.7 kΩ resistor to VDDO_A.
TWSI1_SCK
o/d CMOS
I/O
VDDO_A
TWSI port1 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 4.7 kΩ resistor to VDDO_A.
2.2.10 SPI Interface Pin Assignment
Table 13: SPI Interface Pin Assignments
Pin Name
I/O Pin
Ty p e
Power
Rails
Description
SPI_CSn
O
CMOS
VDDO_A SPI chip select
SPI_CLK
O
CMOS
VDDO_A SPI clock
SPI_MOSI
O
CMOS
VDDO_A SPI data output
SPI_MISO
I
CMOS
VDDO_A SPI data input
MV-S104552-U0 Rev. D
Page 34
Document Classification: Proprietary Information
Copyright © 2008 Marvell
December 6, 2008, Preliminary