PIC12F635-I/P Microchip Technology, PIC12F635-I/P Datasheet - Page 229

• Manufacturer Part Number: PIC12F635-I/P
• Description: IC MCU FLASH 1KX14 8DIP
• Manufacturer: Microchip Technology
• Series: PIC® 12Fr

Specifications of PIC12F635-I/P

• Program Memory Type: FLASH
• Program Memory Size: 1.75KB (1K x 14)
• Package / Case: 8-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 5
• Eeprom Size: 128 x 8
• Ram Size: 64 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC12F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 64 B
• Interface Type: RS- 232/SPI/USB
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 6
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164120, DM163029, DV164101, DM163014
• Minimum Operating Temperature: - 40 C
• Data Rom Size: 128 B
• Height: 3.3 mm
• Length: 9.27 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Width: 6.35 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DM163029 - BOARD PICDEM FOR MECHATRONICSAC162057 - MPLAB ICD 2 HEADER 14DIPACICE0201 - MPLABICE 8P 300 MIL ADAPTERAC124001 - MODULE SKT PROMATEII 8DIP/SOIC
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

INDEX
A
Absolute Maximum Ratings .............................................. 163
AC Characteristics
AGC Settling ....................................................................... 99
Analog Front-End
Analog Front-End (AFE) ..................................................... 97
© 2007 Microchip Technology Inc.
Analog Front-End (AFE) for PIC16F639 ................... 187
Industrial and Extended ............................................ 179
Load Conditions ........................................................ 178
Configuration Registers
A/D Data Conversion of RSSI Signal........................ 118
AFE Status Register Bit Condition ............................ 127
AGC .............................................................. 98, 99, 106
AGC Preserve........................................................... 106
Battery Back-up and Batteryless Operation.............. 110
Block Diagrams
Carrier Clock Detector ................................................ 98
Carrier Clock Output ................................................. 114
Command Decoder/Controller .................................. 121
Configuration Registers ............................................ 122
Data Slicer .................................................................. 98
Demodulator ....................................................... 98, 111
De-Q’ing of Antenna Circuit ...................................... 110
Error Detection.......................................................... 109
Factory Calibration.................................................... 110
Fixed Gain Amplifiers.................................................. 98
Input Sensitivity Control ............................................ 105
LF Field Powering/Battery Back-up
LFDATA Output Selection......................................... 111
Low Current Modes
Modulation Circuit ....................................................... 97
Modulation Depth...................................................... 107
Output Enable Filter .................................................... 98
Output Enable Filter Timing (Table).......................... 105
Power-on Reset ........................................................ 111
RF Limiter ................................................................... 97
RSSI.................................................................... 98, 116
RSSI Output Current vs. Input Signal Level
Sensitivity Control ....................................................... 97
Soft Reset ................................................................. 107
SPI Interface Timing Diagram................................... 122
Timers ................................................................... 98, 99
Summary Table ................................................ 123
Bidirectional PKE System Application Example 102
Functional ......................................................... 100
LC Input Path .................................................... 101
Output Enable Filter Timing .............................. 103
Output Enable Filter Timing (Detailed) ............. 104
Examples .......................................................... 115
Examples .......................................................... 110
Case I ............................................................... 112
Case II .............................................................. 112
Operating .......................................................... 109
Sleep................................................................. 109
Standby............................................................. 109
Examples .......................................................... 108
Configurable Smart ........................................... 103
Output Path Diagram ........................................ 116
Power-up Sequence Diagram........................... 118
SPI Read Sequence Diagram........................... 120
SPI Write Sequence Diagram ........................... 119
Example ............................................................ 117
Alarm .................................................................. 99
PIC12F635/PIC16F636/639
Analog Input Connection Considerations ........................... 73
Assembler
B
Block Diagrams
Brown-out Reset (BOR).................................................... 134
C
C Compilers
Clock Sources
Tuning Capacitor ........................................................ 97
Variable Attenuator..................................................... 97
MPASM Assembler .................................................. 160
Analog Input Model..................................................... 73
Clock Source .............................................................. 35
Comparator................................................................. 71
Comparator C1 ........................................................... 72
Comparator C2 ........................................................... 72
Comparator Modes..................................................... 75
Crystal Operation........................................................ 38
External RC Mode ...................................................... 39
Fail-Safe Clock Monitor (FSCM)................................. 45
Functional (AFE)....................................................... 100
In-Circuit Serial Programming Connection ............... 147
Interrupt Logic........................................................... 140
On-Chip Reset Circuit............................................... 131
PIC12F635 Device ....................................................... 9
PIC16F636 Device ..................................................... 10
PIC16F639 Device ..................................................... 11
RA0 Pin ...................................................................... 52
RA1 Pin ...................................................................... 53
RA2 Pin ...................................................................... 53
RA3 Pin ...................................................................... 54
RA4 Pin ...................................................................... 55
RA5 Pin ...................................................................... 55
RC0 and RC1 Pins ..................................................... 58
RC2, RC3 and RC5 Pins ............................................ 58
RC4 Pin ...................................................................... 59
Recommended MCLR Circuit................................... 133
Resonator Operation .................................................. 38
Timer1 ........................................................................ 65
TMR0/WDT Prescaler ................................................ 61
Watchdog Timer (WDT)............................................ 143
Associated ................................................................ 135
Specifications ........................................................... 183
Timing and Characteristics ................................. 87, 182
MPLAB C18.............................................................. 160
MPLAB C30.............................................................. 160
External Modes........................................................... 37
Internal Modes............................................................ 39
Auto Channel Selection ...................................... 98
Inactivity ............................................................. 99
Period ................................................................. 99
Preamble Counters............................................. 99
Pulse Width ........................................................ 99
RC Oscillator ...................................................... 98
EC ...................................................................... 37
HS ...................................................................... 38
LP ....................................................................... 38
OST .................................................................... 37
RC ...................................................................... 39
XT ....................................................................... 38
Frequency Selection........................................... 41
HFINTOSC ......................................................... 39
DS41232D-page 227