JLC1562B(2000) 查看數據表（PDF） - ON Semiconductor

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JLC1562B
(Rev.:2000)

I2C Bus I/O Expander

ON Semiconductor 

JLC1562B

<<WRITE MODE>>

12 34 5 6 7 8 9 12 34 56 7 8 9 1 2 3 4 5 67 8 9

SCL

WRITE COMMAND

DATA (I)

DATA (II)

SDA

S0 111 x x x 0A

Write_buffer

Latch Pulse

I/O Port

(P0 – P7)

DAC

Latch Pulse

DAC Latch

A

AP

DATA (I) valid

DATA (II) valid

<<READ MODE>> (READ LATCH = 0)

12 34 5 6 7 8 9 12 34 56 7 8 9

SCL

READ COMMAND

DATA (I) + (II)

SDA

S0 1 1 1 x x x 1A

PISO

Load Pulse

Comp_out

(C0 – C4)

Comp_out

(C5 – C7)

DATA (I)

DATA (II)

AP

<<READ MODE>> (READ LATCH = 1)

12 34 5 6 7 8 9

SCL

WRITE DATA (II)

SDA

1

DAC Latch

D7 (READ LATCH Bit)

LATCH Reset

AP

Comp._out

Latched Data

PISO

Load Pulse

1234 56789123456789

READ COMMAND

S0 111 x x x 1A

DATA (I)

AP

DATA (I)

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