PIC16F636-I/P Microchip Technology Inc., PIC16F636-I/P Datasheet - Page 86

• Manufacturer Part Number: PIC16F636-I/P
• Description: 14 PIN, 3.5 KB FLASH, 128 RAM, 12 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F636-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 12
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 14-pin PDIP
• Programmable Memory: 3.5K Bytes
• Ram Size: 128 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC12F635/PIC16F636/639
FIGURE 11-3:
FIGURE 11-4:
DS41232B-page 84
315 MHz
RF Circuitry
(UHF TX)
Base Station
Transmitter/
+3V
Receiver
Receiver
BIDIRECTIONAL PASSIVE KEYLESS ENTRY (PKE) SYSTEM APPLICATION EXAMPLE
LED
PASSIVE KEYLESS ENTRY (PKE) TRANSPONDER CONFIGURATION EXAMPLE
UHF
LF
air-core
coil
+3V
LFDATA/RSSI/CCLK/SDIO
Preliminary
RFEN
V
Data
V
LCX
LCY
ferrite-core
DDT
S0
S1
S2
DD
coil
1
2
3
4
5
6
7
8
9
10
Ant. X
Ant. Y
Ant. Z
20
19
18
17
16
15
14
13
12
11
ferrite-core
coil
SCLK/ALERT
V
S3
S4
S5
LED
CS
V
LCCOM
LCZ
SS
SST
© 2005 Microchip Technology Inc.
Analog Front-End
(PIC16F636)
Transmitter
Transponder
PIC16F639
3 Input
MCU
UHF
+
+3V
LED
+3V