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HCS512 数据表(PDF) 10 Page - Microchip Technology

部件名 HCS512
功能描述  KEELOQ CODE HOPPING DECODER
PDF  20 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

HCS512 数据表(HTML) 10 Page - Microchip Technology

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HCS512
DS40151C-page 10
© 1997 Microchip Technology Inc.
FIGURE 6-2:
PROGRAMMING WAVEFORMS
TABLE 6-4:
PROGRAMMING TIMING
REQUIREMENTS
Bit1
Bit0
Bit78
Bit79
Ack
MCLR
CLK
(Clock)
DAT
(Data)
Enter Program Mode
Acknowledge
pulse
TPS
TPH1
TCKL
TCKH
TACK
TPH2
80-bit Data Package
Parameter
Symbol
Min.
Max.
Units
Program mode setup time
TPS
1
64
ms
Hold time 1
TPH1
8
128
ms
Hold time 2
TPH2
0.05
320
ms
Clock High Time
TCKH
0.05
320
ms
Clock Low Time
TCKL
0.050
320
ms
Acknowledge Time
TACK
—
80
ms
Note:
FOSC equals 4 MHz.



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