PIC16F684-E/P Microchip Technology Inc., PIC16F684-E/P Datasheet - Page 7

• Manufacturer Part Number: PIC16F684-E/P
• Description: 14 PIN, 3.5 KB FLASH, 128 RAM, 12 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F684-E/P

• A/d Inputs: 8-Channel, 10-Bit
• 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: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

1.0
The PIC16F684 is covered by this data sheet. It is
available in 14-pin PDIP, SOIC, TSSOP and 16-pin
QFN packages. Figure 1-1 shows a block diagram of
the PIC16F684 device. Table 1-1 shows the pinout
description.
FIGURE 1-1:
© 2006 Microchip Technology Inc.
OSC2/CLKOUT
V
OSC1/CLKIN
REF
T0CKI
T1CKI
T1G
DEVICE OVERVIEW
AN0 AN1 AN2 AN3
Analog-To-Digital Converter
Program
Oscillator
Bus
Internal
Block
Timer0
PIC16F684 BLOCK DIAGRAM
Instruction Reg
Configuration
Generation
Instruction
Decode &
Program
14
Control
Memory
Timing
AN4 AN5 AN6 AN7
2k X 14
Flash
Timer1
8
13
MCLR
Direct Addr
Start-up Timer
C1IN- C1IN+ C1OUT
Program Counter
8-Level Stack
Brown-out
Watchdog
Power-up
Power-on
Oscillator
INT
Timer
Reset
Timer
Reset
(13-Bit)
V
DD
2 Analog Comparators
Timer2
V
and Reference
SS
7
RAM Addr
CCP1/P1A P1B P1C P1D
C2IN- C2IN+ C2OUT
8
3
Data Bus
128 Bytes
Registers
W Reg
Addr MUX
ALU
RAM
File
STATUS Reg
ECCP
8
FSR Reg
MUX
9
Indirect
Addr
8
8
256 Bytes
EEPROM
EEADDR
EEDATA
Data
PIC16F684
PORTC
PORTA
DS41202D-page 5
RA0
RA1
RA2
RA3
RA4
RA5
RC0
RC1
RC2
RC3
RC4
RC5