PIC16C62X
EPROM-Based 8-Bit CMOS Microcontroller
Devices included in this data sheet:
Pin Diagrams
Referred to collectively as PIC16C62X .
PDIP, SOIC, Windowed CERDIP
• PIC16C620
• PIC16C621
• PIC16C622
• PIC16C620A
• PIC16C621A
• PIC16C622A
RA1/AN1
RA2/AN2/VREF
RA3/AN3
•1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
RA0/AN0
OSC1/CLKIN
OSC2/CLKOUT
VDD
RB7
RB6
RB5
RA4/T0CKI
MCLR/VPP
• PIC16CR620A
VSS
RB0/INT
RB1
High Performance RISC CPU:
RB2
RB3
• Only 35 instructions to learn
• All single-cycle instructions (200 ns), except for
program branches which are two-cycle
• Operating speed:
RB4
- DC - 20 MHz clock input
SSOP
- DC - 200 ns instruction cycle
RA1/AN1
RA2/AN2/VREF
RA3/AN3
•1
2
20
19
18
17
16
15
14
13
12
11
Device
Program
Memory
Data
Memory
RA0/AN0
OSC1/CLKIN
OSC2/CLKOUT
RA4/T0CKI
3
MCLR/VPP
4
VDD
VDD
RB7
RB6
RB5
RB4
VSS
5
PIC16C620
512
512
512
1K
80
96
VSS
6
RB0/INT
RB1
7
PIC16C620A
PIC16CR620A
PIC16C621
8
RB2
RB3
9
96
10
80
PIC16C621A
PIC16C622
1K
96
2K
128
128
Special Microcontroller Features (cont’d)
PIC16C622A
• Interrupt capability
2K
• Programmable code protection
• Power saving SLEEP mode
• Selectable oscillator options
• Serial in-circuit programming (via two pins)
• Four user programmable ID locations
• 16 special function hardware registers
• 8-level deep hardware stack
• Direct, Indirect and Relative addressing modes
CMOS Technology:
Peripheral Features:
• Low-power, high-speed CMOS EPROM technol-
ogy
• Fully static design
• Wide operating voltage range
- PIC16C62X - 2.5V to 6.0V
• 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
(VREF) 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
- 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 µA typical @ 3.0V, 32 kHz
- < 1.0 µA typical standby current @ 3.0V
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
1998 Microchip Technology Inc.
Preliminary
DS30235G-page 1