參數(shù)資料
型號: HCS360-P
廠商: Microchip Technology Inc.
英文描述: IC AC/DC CONV -5V 350MA SIP12
中文描述: 而Keeloq跳碼編碼器
文件頁數(shù): 11/24頁
文件大小: 211K
代理商: HCS360-P
HCS360
1996 Microchip Technology Inc.
Preliminary
DS40152C-page 11
FIGURE 4-1:
TRANSMISSION FORMAT—MANCH = 0
FIGURE 4-2:
TRANSMISSION FORMAT—MANCH = 1
FIGURE 4-3:
CODE WORD ORGANIZATION (RIGHT-MOST BIT IS CLOCKED OUT FIRST)
Fixed Code Data
Button
Status
(4 bits)
LOGIC "1"
Code Word
Guard
Time
Preamble
Sync
Encrypted
TX Data
Fixed Code
Data
BIT
LOGIC "0"
1
2
3 5 7 9
4 6 8 10
T
E
CODE WORD:
TOTAL TRANSMISSION:
Preamble Sync
Encrypt
Fixed
Guard
1 CODE WORD
1 2
4 5
6
Preamble Sync
Encrypt
13 14 15
16
T
E
T
E
Guard
Time
Preamble
Sync
Encrypted
Data
Fixed Code
Data
LOGIC "0"
1
2
3
4
BPW
CODE WORD:
TOTAL TRANSMISSION:
Sync
Encrypt
Fixed
Guard
1 CODE WORD
1 2
4 5 6
Preamble
Sync
Encrypt
13 14 15
16
LOGIC "1"
Start bit
Stop bit
CODE WORD
Preamble
Encrypted Code Data
Discrimination
bits
(12 bits)
67 bits
of Data
Transmitted
MSB
LSB
CRC
(2 bit)
V
(1 bit)
28-bit
Serial Number
Button
Status
(4 bits)
16-bit
Synch Value
CRC
(2 bit)
V
LOW
bit
+
Serial Number and
Button Status (32 bits)
+
32 bits of Encrypted Data
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