10

FIGURE 4. PARALLEL PROGRAMMING MODE OPERATION (SER/PAR = 0)

FIGURE 5. SERIAL PROGRAMMING MODE OPERATION (SER/PAR = 1)

DATA (N)

DATA (N + 1)

DATA (N + 2)

DATA (N)

DATA (N)

DATA (N)

DATA (N + 1)

DATA (N + 1)

DATA (N + 1)

DATA (N + 2)

WR

LATCH

MASTER REGISTER CONTENTS

SLAVE REGISTER CONTENTS

(EDGE/LEVEL = 0)

SLAVE REGISTER CONTENTS

(EDGE/LEVEL = 1)

DATA (N + 2)

DATA (N + 2)

SLAVE REGISTER CONTENTS

(EDGE/LEVEL = 0)

SLAVE REGISTER CONTENTS

(EDGE/LEVEL = 1)

WR

LATCH

NEW DATA

NEW DATA

NEW DATA FOR

OUT1 TO OUT6

NEW DATA FOR

OUT0

NEW DATA FOR

OUT7

D1

D2

D3

D0

D3

D2

D3

D2

D1

D0

t = 0

1st

WRITE

32nd

WRITE

OLD DATA

OLD DATA

SER IN

HA456