PIC16F628A-I/SO Microchip Technology, PIC16F628A-I/SO Datasheet - Page 35

• Manufacturer Part Number: PIC16F628A-I/SO
• Description: IC MCU FLASH 2KX14 EEPROM 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F628A-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 18-SOIC (7.5mm Width)
• 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
• 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
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 224 B
• Interface Type: SCI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILI3DBF648 - BOARD DAUGHTER ICEPIC3AC162053 - HEADER INTERFACE ICD,ICD2 18DIPAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 5-4:
FIGURE 5-5:
 2004 Microchip Technology Inc.
PORTA
MCLR
Program
RD
TRISA
RD
circuit
mode
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
TMR0 Clock Input
Data
Bus
MCLRE
TRIS Latch
D
Data Latch
D
MCLR Filter
HV Detect
CK
CK
RD TRISA
(Configuration Bit)
Q
V
BLOCK DIAGRAM OF RA4/T0CKI PIN
BLOCK DIAGRAM OF THE
RA5/MCLR/V
SS
Q
Q
Q
Q
EN
Schmitt Trigger
D
Input Buffer
Comparator Output
PP
V
SS
RA5/MCLR/V
PIN
Comparator Mode = 110
Preliminary
PP
PIC16F627A/628A/648A
FIGURE 5-6:
From OSC1
CLKOUT(F
WR
PORTA
(F
WR
TRISA
RD
TRISA
F
011, 100, 110
RD PORTA
(CMCON Reg.)
101, 111)
Note
OSC
1
0
OSC
=
=
1:
2:
(2)
Q
OSC
TRIS Latch
D
D
Data Latch
INTOSC with RA6 = I/O or RC with RA6 = I/O.
INTOSC with RA6 = CLKOUT or RC with RA6 =
CLKOUT.
CK
CK
(1)
/4)
EN
Q
Q
Q
Q
D
Schmitt Trigger
BLOCK DIAGRAM OF
RA6/OSC2/CLKOUT PIN
Input Buffer
Q
1
0
Vss
N
EN
D
OSC
Circuit
DS40044B-page 33
Vss
RA4 Pin
Schmitt
Trigger
Input Buffer
V
V
DD
SS