PIC16F636-I/ST Microchip Technology, PIC16F636-I/ST Datasheet - Page 86

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

Specifications of PIC16F636-I/ST

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 14-TSSOP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, LVD, POR, WDT
• Number Of I /o: 11
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: RS- 232/SPI/USB
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Package: 14TSSOP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162057 - MPLAB ICD 2 HEADER 14DIP
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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