RM48L930 datasheet(28/147 Pages) TI1

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RM48L930

RM48L730

RM48L530

SPNS176

– SEPTEMBER 2011

www.ti.com

2.4.2.10 External Memory Interface (EMIF)

Table 2-29. External Memory Interface (EMIF)

Terminal

Signal

Default

Pull Type

Description

Type

Pull State

Signal Name

337

ZWT

EMIF_CKE

Output

Pull Down

EMIF Clock Enablen

EMIF_CLK

I/O

EMIF clock. This is an

output signal in functional

mode. It is gated off by

default, so that the signal

is tri-stated. PINMUX29[8]

must be cleared to enable

this output.

EMIF_nWE/EMIF_RNW

D17

Output

Pull Up

EMIF Read-Not-Write

ETMDATA[13]/EMIF_nOE

E12

Pull Down

EMIF Read Enable

EMIF_nWAIT

I/O

Pull Up

Fixed, 20uA

EMIF Extended Wait

Signal

EMIF_nWE/EMIF_RNW

D17

Output

Pull Up

EMIF Write Enable.

EMIF_nCAS

Output

EMIF column address

strobe

EMIF_nRAS

Output

EMIF row address strobe

EMIF_nCS[0]/RTP_DATA[15]/N2HET2[7]

N17

Output

EMIF chip select,

synchronous

EMIF_nCS[2]

L17

Output

EMIF chip selects,

asynchronous

EMIF_nCS[3]/RTP_DATA[14]/N2HET2[9]

K17

Output

This applies to chip

EMIF_nCS[4]/RTP_DATA[07]

M17

Output

selects 2, 3 and 4

Device Package and Terminal Functions

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