PIC16F883 Microchip Technology Inc., PIC16F883 Datasheet - Page 16

• Manufacturer Part Number: PIC16F883
• Description: 28/40/44-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

PIC16F882/883/884/886/887
FIGURE 1-1:
DS41291D-page 14
OSC2/CLKOUT
OSC1/CLKIN
T1OSO
T1OSI
Note
Timer0
T0CKI
V
V
REF
REF
+
-
1:
2:
Oscillator
Program
Internal
Block
PIC16F883 only.
PIC16F882 only.
Bus
T1G
Oscillator
Analog-To-Digital Converter
PIC16F882/883/886 BLOCK DIAGRAM
Timer1
32 kHz
Timer1
Instruction Reg
Configuration
Instruction
Generation
2K
Decode &
14
8K X 14
Program
Control
Memory
T1CKI
Timing
Flash
(2)
/4K
(ADC)
(1)
/
Timer2
8
13
MCLR
Direct Addr
Start-up Timer
8-Level Stack
Program Counter
Watchdog
Brown-out
Power-up
Power-on
Oscillator
Timer
Reset
Timer
Reset
(13-Bit)
V
DD
Preliminary
EUSART
V
SS
7
2 Analog Comparators
and Reference
RAM Addr
8
3
128
Data Bus
368 Bytes
Addr MUX
W Reg
Registers
ALU
(2)
RAM
File
/256
STATUS Reg
ECCP
9
Debugger
In-Circuit
FSR Reg
8
MUX
(1)
(ICD)
CCP2
CCP2
/
Indirect
Addr
V
V
CV
8
REF
REF
REF
© 2007 Microchip Technology Inc.
+
-
PORTB
PORTC
PORTE
8
PORTA
Master Synchronous
Serial Port (MSSP)
256 Bytes
EEPROM
EEADDR
EEDATA
128
Data
(2)
/
RA0
RA1
RA2
RA3
RA4
RA5
RA6
RA7
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
RE3