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參數(shù)資料
| 型號： | HCS361-SN |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | IC AC/DC CONV 12V 350MA SIP12 |
| 中文描述： | 而Keeloq跳碼編碼器 |
| 文件頁數(shù)： | 9/24頁 |
| 文件大小： | 343K |
| 代理商： | HCS361-SN |
HCS361
1996 Microchip Technology Inc.
Preliminary
DS40146C-page 9
TABLE 3-7
FUNCTION CODES
3.5.12
VPWM: VARIABLE PULSE WIDTH
MODULATION
VPWM selects between VPWM modulation and PWM
modulation. If VPWM = 1, VPWM modulation is
selected as well as the following:
1.
Enables the TXWAK bit to select the WAKEUP
transmission.
2.
Extends the Guard Time.
If VPWM = 0, PWM modulation is selected.
3.5.13
OVR: OVERFLOW
The overflow bit is used to extend the number of possi-
ble synchronization values. The synchronization
counter is 16 bits in length, yielding 65,536 values
before the cycle repeats. Under typical use of
10 operations a day, this will provide nearly 18 years of
use before a repeated value will be used. Should the
system designer conclude that is not adequate, then
the overflow bit can be utilized to extend the number of
unique values. This can be done by programming OVR
to 1 at the time of production. The encoder will automat-
ically clear OVR the first time that the transmitted syn-
chronization value wraps from 0xFFFF to 0x0000.
Once cleared, OVR cannot be set again, thereby creat-
ing a permanent record of the counter overflow. This
prevents fast cycling of 64K counter. If the decoder sys-
tem is programmed to track the overflow bits, then the
effective number of unique synchronization values can
be extended to 128K. If programmed to zero, the sys-
tem will be compatible with the NTQ104/5/6 devices
(i.e., no overflow with discrimination bits set to zero).
S3
S2
S1
S0
IND = 0
IND = 1
Comments
Counter
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
B
B
B
B
If SEED = 1, transmit seed after delay.
If SEED = 1, transmit seed immediately.
B IR mode
B IR mode
B IR mode
B IR mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HCS361T/SN | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6.6V RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| HCS361T-I/SN | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6.6V RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| HCS362 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Memory Programming Specification |
| HCS362_11 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ? Code Hopping Encoder Non-volatile synchronization data |
| HCS362-I | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder |
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