JLC1562BE Datasheet, PDF (7/9 Pages) ON Semiconductor – I2C Bus I/O Expander

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 1 11 x x x 1A
DATA (I)
AP
DATA (I)
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