PCI1410 datasheet(29/145 Pages) TI

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2–15

Table 2–11. Multifunction and Miscellaneous Terminals

TERMINAL

NAME

NUMBER

I/O

DESCRIPTION

NAME

GGU

PGE

GHK

I/O

DESCRIPTION

MFUNC0

W10

I/O

Multifunction terminal 0. MFUNC0 can be configured as parallel PCI interrupt INTA, GPI0,

GPO0, socket activity LED output, ZV switching outputs, CardBus audio PWM, GPE, or a

parallel IRQ. See Section 4.30,

Multifunction Routing Register, for configuration details.

MFUNC1

V10

I/O

Multifunction terminal 1. MFUNC1 can be configured as GPI1, GPO1, socket activity LED

output, ZV switching outputs, CardBus audio PWM, GPE, or a parallel IRQ. See Section 4.30,

Multifunction Routing Register, for configuration details.

Serial data (SDA). When VCCD0 and VCCD1 are high after a PCI reset, the MFUNC1 terminal

provides the SDA signaling for the serial bus interface. The two-terminal serial interface loads

the subsystem identification and other register defaults from an EEPROM after a PCI reset. See

Section 3.6.1,

Serial Bus Interface Implementation, for details on other serial bus applications.

MFUNC2

P10

I/O

Multifunction terminal 2. MFUNC2 can be configured as PC/PCI DMA request, GPI2, GPO2,

socket activity LED output, ZV switching outputs, CardBus audio PWM, GPE, RI_OUT, or a

parallel IRQ. See Section 4.30,

Multifunction Routing Register, for configuration details.

MFUNC3

N10

W11

I/O

Multifunction terminal 3. MFUNC3 can be configured as a parallel IRQ or the serialized interrupt

signal IRQSER. See Section 4.30,

Multifunction Routing Register, for configuration details.

MFUNC4

L10

U11

I/O

Multifunction terminal 4. MFUNC4 can be configured as PCI LOCK, GPI3, GPO3, socket activity

LED output, ZV switching outputs, CardBus audio PWM, GPE, RI_OUT, or a parallel IRQ. See

Section 4.30,

Multifunction Routing Register, for configuration details.

Serial clock (SCL). When VCCD0 and VCCD1 are high after a PCI reset, the MFUNC4 terminal

provides the SCL signaling for the serial bus interface. The two-terminal serial interface loads

the subsystem identification and other register defaults from an EEPROM after a PCI reset. See

Section 3.6.1,

Serial Bus Interface Implementation, for details on other serial bus applications.

MFUNC5

N11

P11

I/O

Multifunction terminal 5. MFUNC5 can be configured as PC/PCI DMA grant, GPI4, GPO4,

socket activity LED output, ZV switching outputs, CardBus audio PWM, GPE, or a parallel IRQ.

See Section 4.30,

Multifunction Routing Register, for configuration details.

MFUNC6

M11

R11

I/O

Multifunction terminal 6. MFUNC6 can be configured as a PCI CLKRUN or a parallel IRQ. See

Section 4.30,

Multifunction Routing Register, for configuration details.

RI_OUT/PME

Ring indicate out and power management event output. Terminal provides an output for

ring-indicate or PME signals.

SPKROUT

U10

Speaker output. SPKROUT is the output to the host system that can carry SPKR or CAUDIO

through the PCI1410 from the PC Card interface. SPKROUT is driven as the exclusive-OR

combination of card SPKR//CAUDIO inputs.

SUSPEND

L11

W12

Suspend. SUSPEND protects the internal registers from clearing when the GRST or PRST

signal is asserted. See Section 3.8.4,

Suspend Mode, for details.

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