www.ti.com ......................................................................................................................................................... SPNS108B – AUGUST 2005 – REVISED MAY 2008
Table 2. Terminal Functions (continued)
TERMINAL
INTERNAL
TYPE(1)(2)
PULLUP/
DESCRIPTION
NAME
NO.
PULLDOWN(3)
MULTI-BUFFERED ANALOG-TO-DIGITAL CONVERTER (MibADC) (CONTINUED)
ADIN[11]
109
ADIN[12]
114
ADIN[13]
112
3.3-V I
MibADC analog input pins
ADIN[14]
110
ADIN[15]
103
3.3-V
ADREFHI
116
MibADC module high-voltage reference input
REF I
GND
ADREFLO
117
MibADC module low-voltage reference input
REF I
3.3-V
VCCAD
118
MibADC analog supply voltage
PWR
VSSAD
119
GND
MibADC analog ground reference
SERIAL PERIPHERAL INTERFACE 1 (SPI1)
SPI1CLK
5
SPI1 clock. SPI1CLK can be programmed as a GIO pin.
SPI1ENA
1
SPI1 chip enable. SPI1ENA can be programmed as a GIO pin.
SPI1SCS
2
3.3-V I/O
IPD (20 A)
SPI1 slave chip select. SPI1SCS can be programmed as a GIO pin.
SPI1SIMO
3
SPI1 data stream. Slave in/master out. Can be programmed as a GIO pin.
SPI1SOMI
4
SPI1 data stream. Slave out/master in. Can be programmed as a GIO pin.
SERIAL PERIPHERAL INTERFACE 2 (SPI2)
SPI2CLK
62
SPI2 clock. SPI2CLK can be programmed as a GIO pin.
SPI2ENA
65
SPI2 chip enable. SPI2ENA can be programmed as a GIO pin.
SPI2SCS
66
3.3-V I/O
IPD (20 A)
SPI2 slave chip select. SPI2SCS can be programmed as a GIO pin.
SPI2SIMO
63
SPI2 data stream. Slave in/master out. Can be programmed as a GIO pin.
SPI2SOMI
64
SPI2 data stream. Slave out/master in. Can be programmed as a GIO pin.
SERIAL PERIPHERAL INTERFACE 3 (SPI3)
SPI3CLK
94
SPI3 clock. SPI3CLK can be programmed as a GIO pin.
SPI3ENA
98
SPI3 chip enable. SPI3ENA can be programmed as a GIO pin.
SPI3SCS
97
3.3-V I/O
IPD (20 A)
SPI3 slave chip select. SPI3SCS can be programmed as a GIO pin.
SPI3SIMO
96
SPI3 data stream. Slave in/master out. Can be programmed as a GIO pin.
SPI3SOMI
95
SP3 data stream. Slave out/master in. Can be programmed as a GIO pin.
SERIAL PERIPHERAL INTERFACE 4 (SPI4)
SPI4CLK
10
SPI4 clock. SPI4CLK can be programmed as a GIO pin.
SPI4ENA
6
SPI4 chip enable. SPI4ENA can be programmed as a GIO pin.
SPI4SCS
7
3.3-V I/O
IPD (20 A)
SPI4 slave chip select. SPI4SCS can be programmed as a GIO pin.
SPI4SIMO
8
SPI4 data stream. Slave in/master out. Can be programmed as a GIO pin.
SPI4SOMI
9
SPI4 data stream. Slave out/master in. Can be programmed as a GIO pin.
Copyright 2005–2008, Texas Instruments Incorporated
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