PIC16F628AT-E/SS Microchip Technology, PIC16F628AT-E/SS Datasheet - Page 2

• Manufacturer Part Number: PIC16F628AT-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,20PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F628AT-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 224 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3DBF648 - BOARD DAUGHTER ICEPIC3AC162053 - HEADER INTERFACE ICD,ICD2 18DIP
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F627A/628A/648A
FIGURE 1-2:
TABLE 1-1:
DS41196G-page 2
RB4
RB6
RB7
MCLR/V
V
V
Legend: I = Input, O = Output, P = Power
Note 1:
DD
SS
Pin Name
PP
In the PIC16F627A/628A/648A, the programming high voltage is internally generated. To activate the
Programming mode, high voltage needs to be applied to MCLR input. Since the MCLR is used for a level
source, this means that MCLR does not draw any significant current.
PIN DESCRIPTIONS (DURING PROGRAMMING): PIC16F627A/628A/648A
Programming Mode
28-PIN QFN PIC16F627A/628A/648A DIAGRAM
Function
CLOCK
DATA
PGM
V
V
DD
SS
RA5/MCLR/V
RB0/INT
V
V
PP
SS
SS
NC
NC
NC
Pin Type
P
I/O
1
2
3
4
5
6
7
P
P
I
I
(1)
PIC16F627A/628A/
648A
Preliminary
During Programming
Low-voltage programming input if Configuration bit equals 1
Clock input
Data input/output
Program Mode Select
Power Supply
Ground
21
20
19
18
17
16
15
NC
RA7/OSC1/CLKIN
RA6/OSC2/CLKOUT
V
V
RB7/DATA/T1OSI
RB6/CLOCK/T1OSO/T1CKI
DD
DD
Pin Description
© 2007 Microchip Technology Inc.