1998 Microchip Technology Inc.

Preliminary

DS30235G-page 1

Devices included in this data sheet:

Referred to collectively as PIC16C62X .
• PIC16C620 • PIC16C620A
• PIC16C621 • PIC16C621A
• PIC16C622 • PIC16C622A
• PIC16CR620A

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
• 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
• Analog comparator module with:
- Two analog comparators
- Programmable on-chip voltage reference
(V

REF

) module
- Programmable input multiplexing from device
inputs and internal voltage reference
- Comparator outputs can be output signals
• 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)
• Brown-out Reset
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation

Device Program
Memory
Data
Memory

PIC16C620 512 80
PIC16C620A 512 96
PIC16CR620A 512 96
PIC16C621 1K 80
PIC16C621A 1K 96
PIC16C622 2K 128
PIC16C622A 2K 128

Pin Diagrams
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 technol-
ogy
• Fully static design
• Wide operating voltage range
- PIC16C62X - 2.5V to 6.0V
- PIC16C62XA - 2.5V to 5.5V
- PIC16CR620A - 2.0V to 5.5V
• Commercial, industrial and extended tempera-
ture range
• Low power consumption
- < 2.0 mA @ 5.0V, 4.0 MHz
- 15

m

A typical @ 3.0V, 32 kHz
- < 1.0

m

A typical standby current @ 3.0V
RA1/AN1
RA0/AN0
OSC2/CLKOUT
VDD
RB7
RB6
RB5
RB4
OSC1/CLKIN
RA2/AN2/VREF
RA3/AN3
MCLR/VPP
VSS
RB0/INT
RB1
RB2
RB3
RA4/T0CKI
PIC16C62X
RA1/AN1
RA0/AN0
OSC2/CLKOUT
VDD
RB7
RB6
RB5
RB4
OSC1/CLKIN
RA2/AN2/VREF
RA3/AN3
MCLR/VPP
VSS
VSS
RB0/INT
RB1
RB2
RA4/T0CKI
RB3
VDD
PDIP, SOIC, Windowed CERDIP
SSOP
2
3
4
5
6
7
8
9
10
•1
2
3
4
5
6
7
8
9
•1
19
18
16
15
14
13
12
11
17
18
17
15
14
13
12
11
10
16
20
PIC16C62X

EPROM-Based 8-Bit CMOS Microcontroller

PIC16C62X