THCS134_15 Datasheet, PDF (12/20 Pages) THine Electronics, Inc. – I/OSpreader TSSOP28

THCS134-TSSOP_Rev.1.02_E
Connection Example (Mode E, F, G)
Mode E
DIN[7:0]
LEN_U
LEN_L
Latch
circuit
Serialize
Mode F
Deserialize
Selector
DOUT[7:0]
OEN_U
OEN_L
DIO[7:0]
LEN
OEN
Latch
Circuit
＆
I/O
conversion
Serialize
＆
Deserialize
Mode G
Mode D
Serialize
＆
Deserialize
DOUT[7:0]
DIN[7:0]
・Latch Enable, Output Enable Truth Table
Mode E
LEN_U
LEN_L
Latch Enable Input
Lower 8bit is transmitted by sampling frequency
L
L
(8bit through mode)
↑
H
Upper 8bit input latch
H
↑
Lower 8bit input latch and 16bit data reception
H
H
Keep data
The rising edge of LEN_L is the trigger for sampling of upper and lower data.
OEN_U
L
L
H
H
OEN_L
L
H
L
H
Mode F
Output Enable Input
Output disable
（DATA pins are pulled down by 250k internally）
Upper 8bit Output enable
Lower 8bit Output enable
Output disable
（DATA pins are pulled down by 250k internally）
Copyright©2015 THine Electronics, Inc.
11/19
THine Electronics, Inc.
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