參數(shù)資料
型號： RFHCS362F
廠商： Microchip Technology Inc.
英文描述： Code Hopping Encoder with UHF ASK/FSK Transmitter
中文描述： 跳碼編碼器的超高頻ASK / FSK發(fā)射器
文件頁數(shù)： 22/60頁
文件大?。?/td> 502K
代理商： RFHCS362F
rfHCS362G/362F
DS41189A-page 22
Preliminary
2002 Microchip Technology Inc.
TABLE 4-2:
CONFIG_0
4.5
Configuration Words
There are 36 configuration bits stored in the EEPROM
array. They are used by the device to determine trans-
mission speed, format, delays and Guard times. They
are
grouped
in
three
CONFIG_0
,
CONFIG_1
and the upper nybble of the
SEED_3
word. A description of each of the bits follows
this section.
Configuration
Words:
4.5.1
OSC
The internal oscillator can be tuned to ±10%. (
0000
selects the nominal value,
1000
the fastest value and
0111
the slowest). When programming the device, it is
the programmer’s responsibility to determine the opti-
mal calibration value.
4.5.2
VLOW[0..2]
The low voltage threshold can be programmed to be
any of the values shown in Table 4-2.
4.5.3
BSEL[0..1]
The basic timing element T
E
, determines the actual
transmission Baud Rate. This translates to different
code word lengths depending on the encoding format
selected (Manchester or PWM), the Header length
selection and the Guard time selection, from approxi-
mately 40 ms up to 220 ms. Refer to Table 4-2 for bit
rate configuration. Refer to Figure 10-3 through
Figure 10-6 for code word timing.
4.5.4
MTX[0..1]
MTX
selects the minimum number of code words that
will be transmitted. A minimum of 1, 2, 4 or 8 code
words will be transmitted.
Bit
Address
Field
Description
Values
0
1
2
3
4
5
6
OSC_0
OSC_1
OSC_2
OSC_3
VLOW_0
VLOW_1
VLOW_2
Oscillator adjust
0000
- nominal
1000
- fastest
0111
- slowest
V
LOW
select
nominal values
000
- 2.0V
001
- 2.1V
010
- 2.2V
011
- 2.3V
00
- T
E
= 100
μ
s
01
- T
E
= 200
μ
s
10
- T
E
= 400
μ
s
11
- T
E
= 800
μ
s
00
- 1
01
- 2
10
- 4
11
- 8
00
- 0 ms (1 T
E
)
01
- 6.4 ms + 2 T
E
10
- 25.6 ms + 2 T
E
11
- 76.8 ms + 2 T
E
00
- No Time-out
01
- 0.8 s to 0.8 s + 1 code word
10
- 3.2 s to 3.2 s + 1 code word
11
- 25.6 s to 25.6 s + 1 code word
0
= TIME bits
1
= CRC bits
100
- 4.0V
101
- 4.2V
110
- 4.4V
111
- 4.6V
7
8
BSEL_0
BSEL_1
Bit rate select
9
MTX_0
MTX_1
Minimum number of code
words
10
11
12
GUARD_0
GUARD_1
Guard time select
13
14
TIMOUT_0
TIMOUT_1
Time-out select
15
CTSEL
CTSEL
Note:
If
MTX
and
BSEL
settings in combination
require a transmission sequence to
exceed the
TIMOUT
setting,
TIMOUT
will
take priority.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RFHCS362F-I/SS 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Code Hopping Encoder 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
RFHCS362FT-I/SS 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Code Hopping Encoder 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
RFHCS362G 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder with UHF ASK/FSK Transmitter
RFHCS362G/362F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MCP23016 Datasheet
RFHCS362G_11 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ? Code Hopping Encoder with UHF ASK/FSK Transmitter
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