參數(shù)資料
型號(hào)： HCS361
廠商： Microchip Technology Inc.
英文描述： IC CONV AC/DC -5V 500MA SIP12
中文描述： 而Keeloq跳碼編碼器
文件頁(yè)數(shù)： 8/24頁(yè)
文件大?。?/td> 343K
代理商： HCS361
HCS361
DS40146C-page 8
Preliminary
1996 Microchip Technology Inc.
3.5.6
DELM: DELAY MODE
If DELM = 1, delay transmission is enabled. A delayed
transmission is indicated by inverting the lower nibble of
the discrimination value. The delay mode is primarily for
compatibility with previous K
DELM = 0, delay transmission is disabled (Table 3-3).
EE
L
OQ
devices. If
TABLE 3-3
TYPICAL DELAY TIMES
3.5.7
TIMO: TIME-OUT
If TIMO = 1, the time-out is enabled. Time-out can be
used to terminate accidental continuous transmissions.
When time-out occurs, the PWM output is set low and
the LED is turned off. Current consumption will be
higher than in standby mode since current will flow
through the activated input resistors. This state can be
exited only after all inputs are taken low. TIMO = 0, will
enable continuous transmission (Table 3-4).
TABLE 3-4
TYPICAL TIME-OUT TIMES
3.5.8
IND: INDEPENDENT MODE
The independent mode can be used where one
encoder is used to control two receivers. Two counters
(SYNC_A and SYNC_B) are used in independent
mode. As indicated in Table 3-7, function codes 1 to 7
use SYNC_A and 8 to 15 SYNC_B. The independent
mode also selects IR mode. In IR mode function codes
12 to 15 will use counter B. The PWM output signal is
modulated with a 40 kHz carrier. It must be pointed out
the 40 kHz is derived from the internal clock and will
therefore vary with the same percentage as the baud
rate. If IND = 0, SYNC_A is used for all function codes.
If IND = 1, independent mode is enabled and counters
for functions are used according to Table 3-7.
For IND = 1 and S[3:0]
≡
0xC, 0xD, 0xE, 0xF, Basic
Pulse Width modulation becomes:
TABLE 3-5
IR MODULATION
3.5.9
USRA,B: USER BITS
User bits form part of the discrimination value. The user
bits together with the IND bit can be used to identify the
counter that is used in independent mode.
3.5.10
XSER: EXTENDED SERIAL NUMBER
If XSER = 1, the full 32-bit serial number [SER_1,
SER_0] is transmitted. If XSER = 0, the four most sig-
nificant bits of the serial number are substituted by
S[3:0] and is compatible with the HCS200/300/301.
3.5.11
TMPSD: TEMPORARY SEED
TRANSMISSION
The temporary seed transmission can be used to dis-
able learning after the transmitter has been used for a
programmable number of operations. This feature can
be used to implement very secure systems. After learn-
ing is disabled, the seed information cannot be
accessed even if physical access to the transmitter is
possible. If TMPSD = 1 the seed transmission will be
disabled after a number of code hopping transmissions.
The number of transmissions before seed transmission
is disabled, can be programmed by setting the synchro-
nization counter (SYNC_A or SYNC_B) to a value as
shown in Table 3-6.
TABLE 3-6
SYNCHRONOUS COUNTER
INITIALIZATION VALUES
TXWAK
FAST
Number of
Code Words
before Delay
Mode
Time Before
Delay Mode
(VPWM = 0)
0
0
1
1
0
1
0
1
28
56
28
56
≈
≈
≈
≈
2.8s
2.9s
2.6s
2.8s
TXWAK FAST
Maximum
Number of
Code Words
Transmitted
Time Before
Time-out
(VPWM = 0)
0
0
1
1
0
1
0
1
256
512
256
512
≈
≈
≈
≈
25.6s
27.2s
23.8s
25.4s
TXWAK
FAST
Basic Pulse
0
0
0
1
1
0
1
1
Synchronous Counter
Values
Number of
Transmissions
0000H
0060H
0050H
0048H
128
64
32
16
(400
μ
s)
(16x)
(200
μ
s)
(8x)
Period = 25
μ
s
(100
μ
s)
(8x)
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HCS361-IP IC AC/DC CONV 5V 200MA SIP10
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HCS365 KEELOQ Code Hopping Encoder
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HCS361/P 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(shí)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
HCS361/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(shí)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
HCS361_11 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ?? Code Hopping Encoder incorporates high security,
HCS361-I/P 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(shí)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
HCS361-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(shí)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
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