LC-32P70E (serv.man10). Major ICs information - Sharp TV Service Manual (repair manual). Page 34

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NOT_EMIRAS or
NOT_CI_IORD

a

J2

O

Row address strobe for SDRAM

C4

NOT_EMICAS or
NOT_CI_IOW

a

J1

O

Column address strobe for SDRAM

E8

NOT_EMICSA

K4

O

Peripheral chip select A

E8

NOT_EMICSB

K3

O

Peripheral chip select B

E8

NOT_EMICSC

K2

O

Peripheral chip select C

E8

NOT_EMICSD

K1

O

Peripheral chip select D

E8

NOT_EMICSE

L4

O

Peripheral chip select E

E8

NOT_EMICSF

L3

O

Peripheral chip select F

E8

NOT_EMIBE[1:0]

L1, L2

O

External device data bus byte enable. 1 bit per
byte of the data bus.

E8

NOT_EMIOE or
NOT_CI_OE

M1

O

External device output enable.

E8

NOT_EMILBA or
NOT_CI_WEA

N3

O

Flash device load burst address.

E8

EMIWAITNOTTREADY

b

N4

I

External memory device target ready indicator

C4

EMIRDNOTWR

N2

O

External read/write access indicator. Common to
all devices.

E8

EMIDATA[15:0]

c

I/O

External common data bus.

E8

EMIADDR[25:2]

d

e

O

External common address bus

E8

NOT_EMIREQGNT

J3

O

Bus request/grant indicator

E8

NOT_EMIACKREQ

b

H1

I

Bus grant/request indicator

C4

EMIBOOTMODE0

b

H3

I

External power-up port size indicator

C4

EMISDRAMCLK

A1

O

SDRAM clock

E8

EMIFLASHCLK

A2

O

Peripheral clock

E8

a. Or equivalent ATA HDD interface signal.
b. 5 V tolerant
c. B3, A3, A4, B4, C4, A5, B5, C5, A6, B6, C6, D6, A7, B7, C7 and A8.
d. EMIADDR[19:20] are used as ATA HDD interface function: ATA CS0 and CS1. There is no

interconnect configuration control register bit to select this function. The addresses are just
reused as chip selects.

e. B8, C8, A9, B9, C9, D9, A10, B10, C10, A11, B11, C11, A12, B12, C12, D12, A13, B13, C13,

D13, A14, B14, C14 and D14.