PIC16F684
1.0
DEVICE OVERVIEW
This document contains device specific information for
the PIC16F684. Additional information may be found in
the “PICmicro
®
Mid-Range MCU Family Reference
Manual”
(DS33023), which may be obtained from your
local Microchip Sales Representative or downloaded
from the Microchip web site.
The reference manual should be considered a comple-
mentary document to this data sheet and is highly
recommended reading for a better understanding of the
device architecture and operation of the peripheral
modules.
The PIC16F684 is covered by this data sheet. It is
available in 14-pin PDIP, SOIC and TSSOP packages.
device. Table 1-1 shows the pinout description.
FIGURE 1-1:
PIC16F684 BLOCK DIAGRAM
INT
Configuration
13
Program Counter
Flash
2k X 14
Program
Memory
Data Bus
8
PORTA
RA0
RA1
RA2
RA3
RA4
RA5
8-Level Stack
(13-Bit)
RAM
128 Bytes
File
Registers
RAM Addr
9
PORTC
Program
Bus
14
Instruction Reg
Direct Addr
7
Addr MUX
8
Indirect
Addr
RC0
RC1
RC2
RC3
RC4
RC5
FSR Reg
Status Reg
8
3
Power-up
Timer
Instruction
Decode &
Control
Timing
Generation
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Detect
8
MUX
ALU
OSC1/CLKIN
OSC2/CLKOUT
W Reg
Internal
Oscillator
Block
T1G
T1CKI
Timer0
T0CKI
Timer1
Timer2
MCLR V
DD
V
SS
CCP1/P1A P1B P1C P1D
ECCP
Analog-To-Digital Converter
2 Analog Comparators
and Reference
EEDATA
8 256 Bytes
Data
EEPROM
EEADDR
V
REF
AN0 AN1 AN2 AN3 AN4 AN5 AN6 AN7 C1IN- C1IN+ C1OUT C2IN- C2IN+ C2OUT
2004 Microchip Technology Inc.
Preliminary
DS41202C-page 5
MICROCHIP [ MICROCHIP TECHNOLOGY ]
