PIC16F684T-I Datasheet, PDF (7/192 Pages) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PIC16F684
1.0 DEVICE OVERVIEW
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:
PIC16F684 BLOCK DIAGRAM
Configuration
Flash
2k X 14
Program
Memory
Program
Bus
14
Instruction Reg
INT
13
Data Bus
8
Program Counter
8-Level Stack
(13-Bit)
RAM
128 Bytes
File
Registers
RAM Addr
9
Addr MUX
Direct Addr ⁷
Indirect
8 Addr
FSR Reg
STATUS Reg
8
Instruction
Decode &
Control
OSC1/CLKIN
Timing
Generation
OSC2/CLKOUT
Internal
Oscillator
Block
T1G
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
3
MUX
ALU
8
W Reg
CCP1/P1A P1B P1C P1D
MCLR ^{VDD VSS}
T1CKI
T0CKI
Timer0
Timer1
Timer2
ECCP
PORTA
PORTC
RA0
RA1
RA2
RA3
RA4
RA5
RC0
RC1
RC2
RC3
RC4
RC5
VREF
Analog-To-Digital Converter
2 Analog Comparators
and Reference
AN0 AN1 AN2 AN3 AN4 AN5 AN6 AN7 C1IN- C1IN+ C1OUT C2IN- C2IN+ C2OUT
EEDATA
8 ^{256 Bytes}
Data
EEPROM
EEADDR
© 2007 Microchip Technology Inc.
DS41202F-page 5