Silan

Semiconductors

SC9256

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

REV: 1.0

2002.01.30.

16

(1) SC9256

LSB

MSB

Address D2H

IF1

"0"

IF2

"0"

M5

M6

M5, M6

PIN INPUT /OUTPUT STATE (When IF1 and IF2 are "0")

I/O -5, I/O -6

"L" Level

"H" Level

0

1

• Setting data for output ports

LSB

MSB

Address D2H

IF1

"0"

IF2

"0"

CLK

"0"

M5

"1"

O5, O6

PIN OUTPUT STATE (When IF1 and IF2 are "0")

I/O -5, I/O -6

"L"level

"H"level

0

1

O6

O5

M6

"1"

(2)OUTPUT register…data which are set in bits M5~M6 of the input register (D2H) can be read as serial data

M5~M6 from the output register (D3H).

LSB

MSB

Address D2H

LSB

MSB

Address D3H

Input register

Output register

XT --

-- M5 M6

00

0 M5 M6