PC87372 datasheet(13/144 Pages) NSC

13 / 144 page

1.0 Signal/Pin Connection and Description (Continued)

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Revision 1.2

1.3 PIN MULTIPLEXING

Table 2 shows only multiplexed pins, their associated functional blocks and the configuration bits for the selection of the

multiplexed options used in the PC87372.

Table 2. Pin Multiplexing Conﬁguration

Default

Signal

Function

Block

Alternate

Signal

Function

Block

Alternate

Signal

Function

Block

Conﬁguration

Select

Strap or

Wake-Up

Function

Block

30 DTR_BOUT1

Serial

Port

XOR_OUT

Conﬁg

TEST (strap)

BADDR

Conﬁg

(Straps)

26 RTS

TRIS

27 SOUT

TEST

32 RI

SWC

3 KBCLK

KBC

KBCLK

4 KBDAT

KBDAT

1 MCLK

MCLK

2MDAT

MDAT

103 GPIOE00

GPIO

GPIOE00

104 GPIOE01

GPIOE01

105 GPIOE02

GPIOE02

106 GPIOE03

GPIOE03

108 GPIOE04

GPIOE04

109 GPIOE05

GPIOE05

111 GPIOE06

FANTACH1

FSM

SIOCF2.TACH1EN

GPIOE06

112 GPIOE07

FANTACH2

SIOCF2.TACH2EN

GPIOE07

116 5V_DDCSDA

Glue

Functions

GPIOE10

GPIO

SIOCF2.GPIO03EN

GPIOE10

114 5V_DDCSCL

GPIOE11

115 3V_DDCSDA

GPIOE12

113 3V_DDCSCL

GPIOE13

101

CDC_DWN_

ENAB

GPIO14

Note1

1. Both CDC_DWN_ENAB and GPIO14 are simultaneously available at the device pin.

PC87372 Datasheet(PDF) 13 Page - National Semiconductor (TI)

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