PIC16C55X(A)
EPROM-Based 8-Bit CMOS Microcontroller
Devices included in this data sheet:
Referred to collectively as PIC16C55X(A).
• PIC16C554
• PIC16C558
PIC16C554A
PIC16C556A
PIC16C558A
Pin Diagram
PDIP, SOIC, Windowed CERDIP
RA2
RA3
RA4/T0CKI
MCLR
V
SS
RB0/INT
RB1
RB2
RB3
•1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
V
DD
RB7
RB6
RB5
RB4
PIC16C55X(A)
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
PIC16C554
PIC16C554A
PIC16C556A
PIC16C558
PIC16C558A
•
•
•
•
Program
Memory
512
512
1K
2K
2K
Data
Memory
80
80
80
128
128
SSOP
RA2
RA3
RA4/T0CKI
MCLR
V
SS
V
SS
RB0/INT
RB1
RB2
RB3
•1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
V
DD
V
DD
RB7
RB6
RB5
RB4
PIC16C55X(A)
Interrupt capability
16 special function hardware registers
8-level deep hardware stack
Direct, Indirect and Relative addressing modes
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
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
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
µ
A typical @ 3.0V, 32 kHz
- < 1.0
µ
A typical standby current @ 3.0V
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
©
1997 Microchip Technology Inc.
Preliminary
DS40143B-page 1
MICROCHIP [ MICROCHIP TECHNOLOGY ]
