Microchip HCS365 Handleiding
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2001-2011 Microchip Technology Inc.PreliminaryDS41156E-page 1
HCS365
1.0PROGRAMMING THE HCS365
HCS365 devices are programmed using a serial
method that differs from previous K
EELOQ
®
encoders.
This Serial mode will still allow the HCS365 to be pro-
grammed while in the users system (ICSP™). This
allows for great design flexibility. This programming
specification applies to HCS365 devices in all pack-
ages.
1.1Hardware Requirements
The HCS365 requires one programmable power sup-
ply for V
DD (4.5V to 5.5V) and a VPPof 9V to 14V. Both
supplies should have a minimum resolution of 0.25V.
FIGURE 1-1:HCS365 DIAGRAM
TABLE 1-1:PROGRAMMING PIN DESCRIPTION
PDIP, SOIC,
HCS365
S0
S1
S2
S3
VDD
LED
OUTPUT
V
SS
1
2
3
4
8
7
6
5
Pin NameFunctionHCS365Pin TypePin Description
S0DATA1I/OData Input Output
S1CLOCK2IClock Input
LEDV
PP7P(*)Program mode select
VssVss5PGround
V
DDVDD8PPower supply
Legend: I = Input, O = Output, P = Power
Note:In the HCS365, the programming high voltage is internally generated. To activate the Programming mode,
high voltage needs to be applied to LED input. This is used as a level source, meaning that LED does not
draw any significant current.
HCS365 Programming Specifications
Product specificaties
| Merk: | Microchip |
| Categorie: | Niet gecategoriseerd |
| Model: | HCS365 |
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