DS2155 datasheet(231/262 Pages) DALLAS

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DS2156

231 of 262

BIT

NAME

TYPE

CONTROL BIT FUNCTION

1 = TSYNC is an output

TSYNC

I/O

—

TPOSI (UT_ADDR4)

—

TNEGI (UT_DATA0)

—

TCLKI (UT_DATA1)

—

TCLKO.cntl

—

0 = TCLKO is an input (UT_DATA2)

1 = TCLKO is an output

TCLKO (UT_DATA2)

I/O

—

TNEGO.cntl

—

0 = TNEGO is an input (UT_DATA3)

1 = TNEGO is an output (UT_DATA4)

TNEGO (UT_DATA3)

I/O

—

TPOSO.cntl

—

0 = TPOSO is an input (UT_DATA4)

1 = TPOSO is an output

TPOSO (UT_DATA4)

I/O

—

DVDD

—

DVSS

—

TCLK

—

TSER (UT_DATA5)

—

TSIG (UT_DATA6)

—

TESO (UT_UTDO)

—

TDATA

—

TSYSCLK

(UT_DATA7)

—

TSSYNC (UT_CLK)

—

TCHCLK.cntl

—

0 = TCHCLK is an input (UR_CLK)

1 = TCHCLK is an output

TCHCLK (UR_CLK)

I/O

—

ESIBS1.cntl

—

0 = ESIBS1 is an input

1 = ESIBS1 is an output

ESIBS1

I/O

—

MUX

—

BUS.cntl

—

0 = D0–D7/AD0–AD7 are inputs

1 = D0–D7/AD0–AD7 are inputs

D0/AD0

I/O

—

D1/AD1

I/O

—

D2/AD2

I/O

—

D3/AD3

I/O

—

60, 80, 84

DVSS

—

61, 81, 83

DVDD

—

D4/AD4

I/O

—

D5/AD5

I/O

—

D6/AD6

I/O

—

D7/AD7

I/O

—

ALE(AS)/A7

—

RD (DS)

—

ESIBRD.cntl

—

0 = ESIBRD is an input

1 = ESIBRD is an output

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