HCS365-/P(2002) 查看數據表（PDF） - Microchip Technology

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HCS365-/P
(Rev.:2002)

KEELOQ® Code Hopping Encoder

Microchip Technology 

FIGURE 2-2: I/O CIRCUITS

Figure 2-2(A)

S0, S1, S2

Inputs

ZIN

Figure 2-2(B)

DATA I/O

VDD

PFET

DATA OUT

NFET

Figure 2-2(C)

DATA, RFEN

STEP

Outputs

VDD

P

N

HCS365

FIGURE 2-3: BASIC FLOW DIAGRAM OF

THE DEVICE OPERATION

START

Sample Buttons

Get Config

Seed

Yes

TX?

No

Increment

Counter

Read

Seed

Encrypt

Transmit

Time-

Yes

Out

No

No

MTX

STOP

Yes

No

Buttons

Yes

No

Seed Yes Seed

Yes

Time

Button

No

No

No

New

Buttons

Yes

© 2002 Microchip Technology Inc.

Preliminary

DS41109D-page 7

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