PIC16C774I データシートの表示（PDF） - Microchip Technology
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PIC16C774I Datasheet PDF : 202 Pages
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PIC16C77X
FIGURE 1-2: PIC16C774 BLOCK DIAGRAM
EPROM
Program
Memory
4K x 14
Program
Bus
14
Instruction reg
13
Program Counter
Data Bus
8
8 Level Stack
(13-bit)
RAM
File
Registers
256 x 8
RAM Addr (1)
9
Addr MUX
Direct Addr 7
Indirect
8 Addr
FSR reg
8
STATUS reg
OSC1/CLKIN
OSC2/CLKOUT
Instruction
Decode &
Control
Timing
Generation
Low-voltage
Detect
Precision
Reference
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
3
MUX
ALU
8
W reg
Parallel Slave Port
MCLR VDD, VSS
12-bit
ADC
AVDD
AVSS
PORTA
PORTB
PORTC
PORTD
PORTE
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/VRL
RA3/AN3/VREF+/VRH
RA4/T0CKI
RA5/AN4
RB0/INT
RB1/SS
RB2/AN8
RB3/AN9/LVDIN
RB7:RB4
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RD7/PSP7:RD0/PSP0
RE0/AN5/RD
RE1/AN6/WR
RE2/AN7/CS
Timer0
Timer1
Timer2
CCP1,2
Synchronous
Serial Port
USART
Note 1: Higher order bits are from the STATUS register.
DS30275B-page 6
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