PIC16F688

Manufacturer Part NumberPIC16F688
ManufacturerMicrochip Technology Inc.
PIC16F688 datasheet
 
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Page 7/202:

DEVICE OVERVIEW

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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
Configuration
Flash
4k x 14
Program
Memory
Program
14
Bus
Instruction Reg
Instruction
Decode &
Control
Timing
OSC1/CLKIN
Generation
OSC2/CLKOUT
Internal
Oscillator
Block
T1G
T1CKI
Timer0
Timer1
T0CKI
Analog-to-Digital Converter
V
AN0 AN1 AN2 AN3
AN4 AN5 AN6 AN7
REF
© 2007 Microchip Technology Inc.
INT
13
Data Bus
Program Counter
RAM
8-Level Stack
256 bytes
(13 bit)
File
Registers
RAM Addr
9
Addr MUX
7
Direct Addr
8
FSR Reg
STATUS Reg
8
3
MUX
Power-up
Timer
Oscillator
Start-up Timer
ALU
Power-on
8
Reset
Watchdog
W Reg
Timer
Brown-out
Reset
RX/DT
V
V
MCLR
DD
SS
EUSART
2
Analog Comparators
and Reference
C1IN- C1IN+ C1OUT
C2IN- C2IN+ C2OUT
PIC16F688
8
PORTA
RA0
RA1
RA2
RA3
RA4
RA5
PORTC
Indirect
Addr
RC0
RC1
RC2
RC3
RC4
RC5
TX/CK
EEDAT
256 bytes
8
DATA
EEPROM
EEADDR
DS41203D-page 5