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| PIC16F737-I Datasheet, PDF (9/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology | |||
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PIC16F7X7
FIGURE 1-2:
PIC16F747 AND PIC16F777 BLOCK DIAGRAM
Standard
Flash
Program
Memory
4K/8K x 14
Program 14
Bus
13
Program Counter
Data Bus
8
8-Level Stack
(13-bit)
RAM
File
Registers
368 x 8
RAM Addr(1)
9
Instruction Register
Direct Addr 7
Addr MUX
Indirect
8 Addr
FSR reg
Status reg
8
Instruction
Decode &
Control
OSC1/CLKI
OSC2/CLKO
Timing
Generation
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
3
MUX
ALU
8
WREG
Parallel Slave Port
VDD, VSS
PORTA
PORTB
PORTC
PORTD
PORTE
Timer0
Timer1
Timer2
10-bit A/D
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA4/T0CKI/C1OUT
RA5/AN4/LVDIN/
SS/C2OUT
OSC2/CLKO/RA6
OSC1/CLKI/RA7
RB0/INT/AN12
RB1/AN10
RB2/AN8
RB3/CCP2(1)/AN9
RB4/AN11
RB5/AN13/CCP3
RB7/PGD:RB6/PGC
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2(1)
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RD7/PSP7:RD0/PSP0
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
MCLR/VPP/RE3
Comparators
CCP1, 2, 3
MSSP
Addressable
USART
BOR/LVD
Note 1: Pin location of CCP2 is determined by the CCPMX bit in Configuration Word Register 1.
 2004 Microchip Technology Inc.
DS30498C-page 7
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