PIC16F628-04I/SS Microchip Technology, PIC16F628-04I/SS Datasheet - Page 32

• Manufacturer Part Number: PIC16F628-04I/SS
• Description: IC MCU FLASH 2KX14 COMP 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F628-04I/SS

• Core Size: 8-Bit
• Program Memory Size: 3.5KB (2K x 14)
• Core Processor: PIC
• Speed: 4MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• 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 ~ 85°C
• Package / Case: 20-SSOP
• Controller Family/series: PIC16F
• No. Of I/o's: 16
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 224Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS-1 - SOCKET TRANSITION 18DIP 20SSOPAC164307 - MODULE SKT FOR PM3 28SSOPAC164018 - MODULE SKT PROMATEII 20SSOP
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F62X
FIGURE 5-1:
FIGURE 5-3:
DS40300C-page 30
Data
Bus
WR
PORTA
WR
TRISA
RD
TRISA
RD PORTA
To Comparator
Data
Bus
WR
PORTA
WR
TRISA
RD
TRISA
RD PORTA
To Comparator
TRIS Latch
D
Data Latch
D
CK
CK
TRIS Latch
D
Data Latch
D
CK
CK
Q
Q
Q
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA0/AN0:RA1/AN1 PINS
BLOCK DIAGRAM OF THE RA3/AN3 PIN
Input Mode
Schmitt Trigger
Q
Analog
Input Buffer
Comparator Output
EN
D
Comparator Mode = 110
V
V
DD
SS
I/O Pin
Preliminary
FIGURE 5-2:
Data
Bus
WR
PORTA
WR
TRISA
RD
TRISA
RD PORTA
To Comparator
1
0
Q
TRIS Latch
D
Data Latch
D
CK
CK
EN
V
Input Mode
D
V
ROE
REF
Schmitt Trigger
Q
Q
Q
Q
Analog
Input Buffer
BLOCK DIAGRAM OF
RA2/VREF PIN
 2003 Microchip Technology Inc.
Schmitt Trigger
Input Mode
Analog
Q
Input Buffer
EN
V
D
V
DD
SS
RA3 Pin
V
V
DD
SS
RA2 Pin