PIC16F636-E/ST Microchip Technology, PIC16F636-E/ST Datasheet - Page 104

• Manufacturer Part Number: PIC16F636-E/ST
• Description: IC MCU FLASH 2KX14 14TSSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F636-E/ST

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, LVD, POR, WDT
• Number Of I /o: 11
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 14-TSSOP
• For Use With: AC162057 - MPLAB ICD 2 HEADER 14DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PIC12F635/PIC16F636/639
FIGURE 11-3:
FIGURE 11-4:
DS41232D-page 102
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
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
13
12
20
19
18
17
16
15
14
11
ferrite-core
coil
SCLK/ALERT
V
S3
S4
S5
LED
CS
V
LCCOM
LCZ
SS
SST
© 2007 Microchip Technology Inc.
Analog Front-End
(PIC16F636)
Transmitter
Transponder
PIC16F639
3 Input
MCU
UHF
+
+3V
LED
+3V