參數(shù)資料
型號(hào): HT12E
廠商: Holtek Semiconductor Inc.
英文描述: 2^12 Series of Eecoders(2^12系列編碼器(地址線:12條;地址線/數(shù)據(jù)線:4條),用于遠(yuǎn)程控制系統(tǒng))
中文描述: 2 ^ 12系列Eecoders(2 ^ 12系列編碼器(地址線:12條;地址線/數(shù)據(jù)線:4條),用于遠(yuǎn)程控制系統(tǒng))
文件頁數(shù): 3/13頁
文件大小: 141K
代理商: HT12E
Pin Assignment
Pin Description
Pin Name
I/O
Internal
Connection
Description
A0~A7
I
CMOS IN
Pull-high
(HT12A)
Input pins for address A0~A7 setting
These pins can be externally set to VSS or left open
NMOS
TRANSMISSION
GATE
PROTECTION
DIODE
(HT12E)
AD8~AD11
I
NMOS
TRANSMISSION
GATE
PROTECTION
DIODE
(HT12E)
Input pins for address/data AD8~AD11 setting
These pins can be externally set to VSS or left open
D8~D11
I
CMOS IN
Pull-high
Input pins for data D8~D11 setting and transmission en-
able, active low
These pins should be externally set to VSS or left open
(see Note)
DOUT
O
CMOS OUT
Encoder data serial transmission output
L/MB
I
CMOS IN
Pull-high
Latch/Momentary transmission format selection pin:
Latch: Floating or VDD
Momentary: VSS
HT12A/HT12E
3
April 11, 2000
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