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PIC16LC554 数据表(PDF) 10 Page - Microchip Technology

部件名 PIC16LC554
功能描述  EPROM-Based 8-Bit CMOS Microcontroller
PDF  96 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PIC16LC554 数据表(HTML) 10 Page - Microchip Technology

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PIC16C55X(A)
DS40143B-page 10
Preliminary
© 1997 Microchip Technology Inc.
FIGURE 3-1:
BLOCK DIAGRAM
Note 1: Higher order bits are from the status register.
Device
Program
Memory
Data Memory
(RAM)
PIC16C554
PIC16C554A
PIC16C556A
PIC16C558
PIC16C558A
512 x 14
512 x 14
1K x 14
2K x 14
2K x 14
80 x 8
80 x 8
80 x 8
128 x 8
128 x 8
EPROM
Program
Memory
2K x 14
13
Data Bus
8
14
Program
Bus
Instruction reg
Program Counter
8 Level Stack
(13-bit)
RAM
File
Registers
128 x 8
Direct Addr
7
8
Addr MUX
Indirect
Addr
8
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
Timer0
3
PORTA
PORTB
RA1
RA4/T0CKI
RB0/INT
RB7:RB1
8
8
RAM Addr(1)
RA0
RA2
RA3
512 x 14
to
80 x 8 to



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