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CS5535 Datasheet(PDF) 147 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # CS5535
Description  Geode??CS5535 I/O Companion Multi-Function South Bridge
PDF  555 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

CS5535 Datasheet(HTML) 147 Page - National Semiconductor (TI)

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Revision 0.8
147
www.national.com
GPIO Subsystem Functional Description (Continued)
4.15.1 Programming for Recommended Functions
Table 2-8 "GPIO Options" on page 42 includes an “Recommended Use” column. Shown below are the register settings to
achieve the example.
Example Use
Getting Example Use
Note
---------------------------------------------------------------------------------------
PCI_INTA#
INPUT_ENABLE
= 1
Setup GPIO Interrupt Mapper
AC_BEEP
OUT_ENABLE
= 1
OUT_AUX1_SELECT
= 1
IDE_IRQ0
INPUT_ENABLE
= 1
IN_AUX1_SELECT
= 1
DDC_SCL
OUT_ENABLE
= 1
Software write OUT_VALUE
DDC_SDA
OUT_ENABLE
= 1
Software write OUT_VALUE
MFGPT0
OUT_ENABLE
= 1
OUT_AUX1_SELECT
= 1
MFGPT1
OUT_ENABLE
= 1
OUT_AUX1_SELECT
= 1
PCI_INTB#
INPUT_ENABLE
= 1
Setup GPIO Interrupt Mapper
UART1_TX
OUT_ENABLE
= 1
OUT_AUX1_SELECT
= 1
UART1_RX
INPUT_ENABLE
= 1
IN_AUX1_SELECT
= 1
THRM_ALRM#
INPUT_ENABLE
= 1
IN_AUX1_SELECT
= 1
INPUT_INVERT
= 1
SLP_CLK#
OUT_ENABLE
= 1
OUT_AUX1_SELECT
= 1
GPIO IN
INPUT_ENABLE
= 1
Software read READ_BACK
GPIO IN
INPUT_ENABLE
= 1
Software read READ_BACK
SMB_CLK
INPUT_ENABLE
= 1
IN_AUX1_SELECT
= 1
OUT_AUX1_SELECT
= 1
SMB_DATA
INPUT_ENABLE
= 1
IN_AUX1_SELECT
= 1
OUT_AUX1_SELECT
= 1
LPC_AD0
Hardware default Table 2-6 "DIVIL_BALL_OPT" on page 29
LPC_AD1
Hardware default Table 2-6 "DIVIL_BALL_OPT" on page 29
LPC_AD2
Hardware default Table 2-6 "DIVIL_BALL_OPT" on page 29
LPC_AD3
Hardware default Table 2-6 "DIVIL_BALL_OPT" on page 29
LPC_DRQ#
Hardware default Table 2-6 "DIVIL_BALL_OPT" on page 29
LPC_SERIRQ
Hardware default Table 2-6 "DIVIL_BALL_OPT" on page 29
LPC_FRAME#
Hardware default Table 2-6 "DIVIL_BALL_OPT" on page 29
WORK_AUX
OUT_ENABLE
= 1
OUT_AUX1_SELECT
= 1
LOW_BAT#
INPUT_ENABLE
= 1
IN_AUX1_SELECT
= 1
PME#
INPUT_ENABLE
= 1
Setup GPIO PME Mapper
MFGPT7
OUT_ENABLE
= 1
OUT_AUX1_SELECT
= 1
PWR_BUT#
INPUT_ENABLE
= 1
IN_AUX1_SELECT
= 1



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