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PIC16C55XA Datasheet, PDF (1/96 Pages) Microchip Technology – EPROM-Based 8-Bit CMOS Microcontroller
PIC16C55X(A)
EPROM-Based 8-Bit CMOS Microcontroller
Devices included in this data sheet:
Referred to collectively as PIC16C55X(A).
• PIC16C554
PIC16C554A
PIC16C556A
• PIC16C558
PIC16C558A
High Performance RISC CPU:
• Only 35 instructions to learn
• All single-cycle instructions (200 ns), except for
program branches which are two-cycle
• Operating speed:
- DC - 20 MHz clock input
- DC - 200 ns instruction cycle
Device
Program
Memory
Data
Memory
PIC16C554
PIC16C554A
PIC16C556A
512
80
512
80
1K
80
PIC16C558
PIC16C558A
2K
128
2K
128
• Interrupt capability
• 16 special function hardware registers
• 8-level deep hardware stack
• Direct, Indirect and Relative addressing modes
Peripheral Features:
• 13 I/O pins with individual direction control
• High current sink/source for direct LED drive
• Timer0: 8-bit timer/counter with 8-bit
programmable prescaler
Special Microcontroller Features:
• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-up
Timer (OST)
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
Pin Diagram
PDIP, SOIC, Windowed CERDIP
RA2
RA3
RA4/T0CKI
MCLR
VSS
RB0/INT
RB1
RB2
RB3
•1
18
2
17
3
16
4
15
5
14
6
13
7
12
8
11
9
10
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
VDD
RB7
RB6
RB5
RB4
SSOP
RA2
RA3
RA4/T0CKI
MCLR
VSS
VSS
RB0/INT
RB1
RB2
RB3
•1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
VDD
VDD
RB7
RB6
RB5
RB4
Special Microcontroller Features (cont’d)
• Programmable code protection
• Power saving SLEEP mode
• Selectable oscillator options
• Serial in-circuit programming (via two pins)
• Four user programmable ID locations
CMOS Technology:
• Low-power, high-speed CMOS EPROM technology
• Fully static design
• Wide operating voltage range
- 2.5V to 5.5V PIC16C55X
- 3.0 to 5.5V PIC16C55XA
• Commercial, industrial and extended tempera-
ture range
• Low power consumption
- < 2.0 mA @ 5.0V, 4.0 MHz
- 15 µA typical @ 3.0V, 32 kHz
- < 1.0 µA typical standby current @ 3.0V
© 1997 Microchip Technology Inc.
Preliminary
DS40143B-page 1