PIC16F688
1.0
DEVICE OVERVIEW
The PIC16F688 is covered by this data sheet. It is
available in 14-pin PDIP, SOIC, TSSOP and QFN
packages. Figure 1-1 shows a block diagram of the
PIC16F688
device. Table 1-1 shows the pinout
description.
FIGURE 1-1:
PIC16F688 BLOCK DIAGRAM
INT
Configuration
13
Program Counter
Flash
4k x 14
Program
Memory
Data Bus
8
PORTA
RA0
RA1
8-Level Stack
(13 bit)
RAM
256 bytes
File
Registers
RAM Addr
9
Addr MUX
Direct Addr
7
Indirect
Addr
PORTC
RC0
RC1
RC2
RC3
RC4
RC5
3
Power-up
Timer
Instruction
Decode &
Control
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
Internal
Oscillator
Block
8
W Reg
MUX
RA2
RA3
RA4
RA5
Program
Bus
14
Instruction Reg
8
FSR Reg
STATUS Reg
8
ALU
OSC1/CLKIN
OSC2/CLKOUT
Timing
Generation
RX/DT
MCLR
V
DD
V
SS
TX/CK
T1G
T1CKI
Timer0
T0CKI
Timer1
EUSART
Analog-to-Digital Converter
2
Analog Comparators
and Reference
EEDAT
8
256 bytes
DATA
EEPROM
EEADDR
V
REF
AN0 AN1 AN2 AN3 AN4 AN5 AN6 AN7 C1IN- C1IN+ C1OUT C2IN- C2IN+ C2OUT
©
2007 Microchip Technology Inc.
DS41203D-page 5
MICROCHIP [ MICROCHIP TECHNOLOGY ]
