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參數(shù)資料
| 型號(hào)： | RFHCS362AF |
| 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)： | 21/60頁 |
| 文件大?。?/td> | 502K |
| 代理商： | RFHCS362AF |
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2002 Microchip Technology Inc.
Preliminary
DS41189A-page 21
rfHCS362G/362F
4.0
EEPROM MEMORY
ORGANIZATION
The rfHCS362G/362F contains 288 bits (18 x 16-bit
words) of EEPROM memory (Table 4-1). This
EEPROM array is used to store the encryption key
information and synchronization value. Further
descriptions of the memory array is given in the follow-
ing sections.
TABLE 4-1:
EEPROM MEMORY MAP
4.1
KEY_0 - KEY_3
(64-bit Encryption Key)
The 64-bit encryption key is used to create the
encrypted message. This key is calculated and pro-
grammed during production using a key generation
algorithm. The key generation algorithm may be differ-
ent from the K
EE
L
OQ
algorithm. Inputs to the key gen-
eration algorithm are typically the transmitter’s serial
number and the 64-bit manufacturer’s code. While the
key generation algorithm supplied from Microchip is the
typical method used, a user may elect to create their
own method of key generation.
4.2
SYNC (Synchronization Counter)
This is the 16-bit synchronization value that is used to
create the hopping code for transmission. This value
will be incremented after every transmission.
4.3
SEED_0, SEED_1, SEED_2,
and SEED 3 (Seed Word)
This is the four word (60 bits) seed code that will be
transmitted when seed transmission is selected. This
allows the system designer to implement the secure
learn feature or use this fixed code word as part of a dif-
ferent key generation/tracking process or purely as a
fixed code transmission.
4.4
SERIAL_0, SERIAL_1
(Encoder Serial Number)
SERIAL_0
and
SERIAL_1
are the lower and upper
words of the device serial number, respectively. There
are 32 bits allocated for the serial number and a select-
able configuration bit determines whether 32 or 28 bits
will be transmitted. The serial number is meant to be
unique for every transmitter.
Word
Address
Field
Description
0
KEY1_0
64-bit Encryption Key1
(Word 0) LSB
64-bit Encryption Key1
(Word 1)
64-bit Encryption Key1
(Word 2)
64-bit Encryption Key1
(Word 3) MSB
64-bit Encryption Key2
(Word 0) LSB
64-bit Encryption Key2
(Word 1)
64-bit Encryption Key2
(Word 2)
64-bit Encryption Key2
(Word 3) MSB
Seed value (Word 0)
LSB
Seed value (Word 1)
Seed value (Word 2)
Seed value (Word 3)
MSB
Configuration Word
(Word 0)
Configuration Word
(Word 1)
Serial Number
(Word 0) LSB
Serial Number
(Word 1) MSB
Synchronization counter
Reserved – Set to zero
1
KEY1_1
2
KEY1_2
3
KEY1_3
4
KEY2_0
5
KEY2_1
6
KEY2_2
7
KEY2_3
8
SEED_0
9
SEED_1
SEED_2
SEED_3
10
11
12
CONFIG_0
13
CONFIG_1
14
SERIAL_0
15
SERIAL_1
16
17
SYNC
RES
Note:
Upper four Significant bits of SEED_3 con-
tains extra configuration information (see
Table 4-5).
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| RFK25N18 | 30V N-Channel PowerTrench MOSFET |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RFHCS362AG | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder with UHF ASK/FSK Transmitter |
| RFHCS362F | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder with UHF ASK/FSK Transmitter |
| 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(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 |
| 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(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 |
| RFHCS362G | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder with UHF ASK/FSK Transmitter |
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