PIC16F685-I/P Microchip Technology, PIC16F685-I/P Datasheet - Page 11

• Manufacturer Part Number: PIC16F685-I/P
• Description: IC PIC MCU FLASH 4KX14 20DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F685-I/P

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 20-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: I2C/SPI/SSP/EUSART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 3
• 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, DM163029, DV164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162061 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOICDM163029 - BOARD PICDEM FOR MECHATRONICSACICE0203 - MPLABICE 20P 300 MIL ADAPTER
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

1.0
The PIC16F631/677/685/687/689/690 devices are
covered by this data sheet. They are available in 20-pin
PDIP, SOIC, TSSOP and QFN packages.
FIGURE 1-1:
© 2006 Microchip Technology Inc.
OSC1/CLKI
OSC2/CLKO
Oscillator
DEVICE OVERVIEW
Program
Internal
Ultra Low-Power
Block
Bus
Wake-up
ULPWU
Instruction Reg
Configuration
Decode and
Instruction
Generation
Program
14
1K x 14
Memory
Control
Flash
Timing
PIC16F631 BLOCK DIAGRAM
8
13
Timer0
T0CKI
MCLR
Start-up Timer
8-Level Stack (13-bit)
Watchdog
Brown-out
Power-up
Oscillator
Power-on
Direct Addr
Program Counter
PIC16F631/677/685/687/689/690
Reset
Reset
Timer
Timer
V
DD
INT
V
SS
T1G
Timer1
7
T1CKI
Preliminary
8
3
W Reg
ALU
Addr MUX
Data Bus
Registers
64 bytes
STATUS Reg
RAM
File
Block Diagrams and pinout descriptions of the devices
are as follows:
• PIC16F631 (Figure 1-1, Table 1-1)
• PIC16F677 (Figure 1-2, Table 1-2)
• PIC16F685 (Figure 1-3, Table 1-3)
• PIC16F687/PIC16F689 (Figure 1-4, Table 1-4)
• PIC16F690 (Figure 1-5, Table 1-5)
FSR Reg
MUX
128 Bytes
EEPROM
8
EEADR
EEDAT
9
Data
RAM Addr
Indirect
8
Addr
8
C1IN- C1IN+ C1OUT
PORTA
PORTB
PORTC
Analog Comparators
and Reference
2
C2IN- C2IN+ C2OUT
RA0
RA1
RA2
RA3
RA4
RA5
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
DS41262C-page 9