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PIC16CR74E/P Datasheet(PDF) 9 Page - Microchip Technology

Part # PIC16CR74E/P
Description  28/40-Pin, 8-Bit CMOS ROM Microcontrollers
PDF  172 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16CR74E/P Datasheet(HTML) 9 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS21993C-page 7
PIC16CR7X
FIGURE 1-2:
PIC16CR74 AND PIC16CR77 BLOCK DIAGRAM
ROM
Program
Memory
13
Data Bus
8
14
Program
Bus
Instruction Reg
Program Counter
8-Level Stack
(13-bit)
RAM
File
Registers
Direct Addr
7
RAM Addr(1)
9
Addr MUX
Indirect
Addr
FSR Reg
STATUS Reg
MUX
ALU
W Reg
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Instruction
Decode &
Control
Timing
Generation
OSC1/CLKIN
OSC2/CLKOUT
MCLR
VDD, VSS
PORTA
PORTB
PORTC
PORTD
PORTE
RA4/T0CKI
RA5/AN4/SS
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RE0/AN5/RD
RE1/AN6/WR
RE2/AN7/CS
8
8
Brown-out
Reset
Note
1:
Higher order bits are from the STATUS register.
USART
CCP2
Synchronous
8-bit A/D
Timer0
Timer1
Timer2
Serial Port
RA3/AN3/VREF
RA2/AN2
RA1/AN1
RA0/AN0
Parallel Slave Port
8
3
RB0/INT
RB1
RB2
RB3
RB4
RB5
RB6
RB7
Device
Program ROM
Data Memory
PIC16CR74
4K
192 Bytes
PIC16CR77
8K
368 Bytes
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
CCP1



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