MV78200
Hardware Specifications
2.2.9
TWSI Interface Pin Assignment
Table 12: TWSI Interface Pin Assignments
Pin Name
I/O
Pin
Type
Power
Rails
Description
TWSI0_SDA
o/d
I/O
CMOS
CMOS
CMOS
CMOS
VDDO_B
VDDO_B
VDDO_A
VDDO_A
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
TWSI1_SDA
TWSI1_SCK
o/d
I/O
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.
o/d
I/O
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.
o/d
I/O
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
Type
Power
Rails
Description
SPI_CSn
SPI_CLK
SPI_MOSI
SPI_MISO
O
O
O
I
CMOS
CMOS
CMOS
CMOS
VDDO_A
VDDO_A
VDDO_A
VDDO_A
SPI chip select
SPI clock
SPI data output
SPI data input
MV-S104671-U0 Rev. C
Page 36
Copyright © 2008 Marvell
Document Classification: Proprietary Information
December 6, 2008, Preliminary
MARVELL [ MARVELL TECHNOLOGY GROUP LTD. ]
