PIC16F628A-I/P Microchip Technology Inc., PIC16F628A-I/P Datasheet - Page 11

• Manufacturer Part Number: PIC16F628A-I/P
• Description: 18 PIN, 3.5 KB FLASH, 224 RAM, 16 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F628A-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 16
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin PDIP
• Programmable Memory: 3.5K Bytes
• Ram Size: 224 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TABLE 2-1:
 2003 Microchip Technology Inc.
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/CMP1
RA4/T0CKI/CMP2
RA5/MCLR/V
RA6/OSC2/CLKOUT
RA7/OSC1/CLKIN
RB0/INT
RB1/RX/DT
RB2/TX/CK
RB3/CCP1
Legend:
TTL = TTL Input
Name
— = Not used
REF
O = Output
PP
PIC16F62X PINOUT DESCRIPTION
Function
CLKOUT
CLKIN
T0CKI
MCLR
CMP1
CMP2
OSC2
OSC1
CCP1
V
RA0
AN0
RA1
AN1
RA2
AN2
RA3
AN3
RA4
RA5
RA6
RA7
RB0
RB1
RB2
RB3
V
INT
RX
DT
CK
TX
REF
PP
CMOS = CMOS Output
I
OD
Input Type Output Type
XTAL
XTAL
TTL
TTL
TTL
TTL
AN
AN
AN
AN
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
—
Preliminary
= Input
= Open Drain Output
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
OD
OD
AN
—
—
—
—
—
—
—
—
—
—
—
—
—
Analog comparator input
Analog comparator input
Bi-directional I/O port
Analog comparator input
V
Bi-directional I/O port
Analog comparator input
Timer0 clock input
Input port
Master clear
Programming voltage input. When configured
as MCLR, this pin is an active low RESET to
the device. Voltage on MCLR/V
exceed V
Oscillator crystal output. Connects to crystal
or resonator in Crystal Oscillator mode.
CLKOUT, which has 1/4 the frequency of
OSC1
Bi-directional I/O port
Oscillator crystal input
programmed for internal weak pull-up.
External interrupt.
programmed for internal weak pull-up.
Synchronous data I/O.
Synchronous clock I/O. Can be software
programmed for internal weak pull-up.
programmed for internal weak pull-up.
Bi-directional I/O port
Bi-directional I/O port
Comparator 1 output
Bi-directional I/O port
Comparator 2 output
Bi-directional I/O port
In ER/INTRC mode, OSC2 pin can output
External clock source input. ER biasing pin.
Bi-directional I/O port. Can be software
Bi-directional I/O port. Can be software
USART receive pin
Bi-directional I/O port.
USART transmit pin
Bi-directional I/O port. Can be software
Capture/Compare/PWM I/O
REF
output
DD
P
ST = Schmitt Trigger Input
AN = Analog
during normal device operation.
= Power
Description
PIC16F62X
DS40300C-page 9
PP
must not