參數(shù)資料
型號(hào)： HCS360-SN
廠商： Microchip Technology Inc.
英文描述： IC CONV AC/DC -12V 500MA SIP12
中文描述： 而Keeloq跳碼編碼器
文件頁(yè)數(shù)： 13/24頁(yè)
文件大?。?/td> 211K
代理商： HCS360-SN
HCS360
1996 Microchip Technology Inc.
Preliminary
DS40152C-page 13
6.0
PROGRAMMING THE HCS360
When using the HCS360 in a system, the user will have
to program some parameters into the device including
the serial number and the secret key before it can be
used. The programming allows the user to input all
192 bits in a serial data stream, which are then stored
internally in EEPROM. Programming will be initiated by
forcing the PWM line high, after the S3 line has been
held high for the appropriate length of time. S0 and S1
should be held low during the entire program cycle
(Table 6-1 and Figure 6-1). The device can then be pro-
grammed by clocking in 16 bits at a time, followed by
the word’s complement using S3 or S2 as the clock line
and PWM as the data in line. After each 16-bit word is
loaded, a programming delay is required for the internal
program cycle to complete. The acknowledge can read
back after the programming delay (T
WC
). After the first
word and its complement have been downloaded, an
automatic bulk write is performed. This delay can take
up to Twc. At the end of the programming cycle, the
device can be verified (Figure 6-2) by reading back the
EEPROM. Reading is done by clocking the S3 line and
reading the data bits on PWM. For security reasons, it
is not possible to execute a verify function without first
programming the EEPROM.
A verify operation can
only be done once, immediately following the pro-
gram cycle
.
FIGURE 6-1:
PROGRAMMING WAVEFORMS
FIGURE 6-2:
VERIFY WAVEFORMS
End of
Programming Cycle
TABLE 6-1
PROGRAMMING/VERIFY TIMING REQUIREMENTS
V
DD
= 5.0V
±
10%
25
°
C
±
5
°
C
Parameter
Symbol
Min.
Max.
Units
Program mode setup time
Hold time 1
Program cycle time
Clock low time
Clock high time
Data setup time
Data hold time
Data out valid time
T
2
T
1
T
WC
T
CLKL
T
CLKH
T
DS
T
DH
T
DV
0
4.0
—
30
—
—
—
—
24
ms
ms
ms
μ
s
μ
s
μ
s
μ
s
μ
s
9.0
—
25
25
0
18
—
PWM
(Data)
Enter Program
Mode
S2/S3
(Clock)
Bit 0
Bit 1
Bit 2
Bit 3
Bit 14 Bit 15
Bit 16 Bit 17
T
1
T
2
Repeat 12 times for each word
T
CLKH
T
CLKL
T
WC
T
DS
Data for Word 0 (KEY_0)
Data for Word 1
T
DH
Bit 0
Bit 1
Bit 2
Bit 3
Bit 14 Bit 15
Note 1:
Unused button inputs to be held to ground during the entire programming sequence.
2:
The V
DD
pin must be taken to ground after a program/verify cycle.
Acknowledge
PWM
(Data)
(Clock)
Note:
If a Verify operation is to be done, then it must immediately follow the Program cycle.
Begin Verify Cycle Here
Bit 1
Bit 2
Bit 3
Bit 15
Bit 14
Bit 16 Bit 17
Bit190 Bit191
T
WC
Data in Word 0
T
DV
S2/S3
Bit 0
Bit191
Bit190
相關(guān)PDF資料
PDF描述
HCS361 IC CONV AC/DC -5V 500MA SIP12
HCS361-IP IC AC/DC CONV 5V 200MA SIP10
HCS361-ISN IC CONV AC/DC -12V 90MA SIP9
HCS361-P IC CONV AC/DC -5V 100MA SIP9
HCS361-SN IC AC/DC CONV 12V 350MA SIP12
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCS360T-/P 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ㈢ Code Hopping Encoder
HCS360T/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
HCS360T-/SN 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ㈢ Code Hopping Encoder
HCS360T-I/P 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ㈢ Code Hopping Encoder
HCS360T-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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