hcs500 Microchip Technology Inc., hcs500 Datasheet - Page 25

• Manufacturer Part Number: hcs500
• Description: Keeloq Code Hopping Decoder
• Manufacturer: Microchip Technology Inc.

FIGURE 8-2:
2002 Microchip Technology Inc.
1
2
3
4
Note:
A0
A1
A2
V
V
24LC02B
SS
CC
TYPICAL MICROCONTROLLER INTERFACE CIRCUIT
SDA 5
SCL 6
V
WP 7
Because each HCS500 is individually matched to its EEPROM, in-circuit programming is
strongly recommended.
CC
MCP100-4.5
Vi
Power Supply
Supervisor
8
V
RST
CC
1K
1
2
3
4
V
EECLK
EEDAT
MCLR
DD
HCS500
SCLK 6
SDAT 5
RFIN 7
V
SS
8
Receiver
RF
10K
CLOCK
DATA
MCLR
Microcontroller
In-circuit
Programming
Probe Pads (Note)
HCS500
DS40153C-page 25