PIC16F648A-I/ML Microchip Technology, PIC16F648A-I/ML Datasheet - Page 35

• Manufacturer Part Number: PIC16F648A-I/ML
• Description: IC MCU FLASH 4KX14 EEPROM 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F648A-I/ML

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC16F
• No. Of I/o's: 16
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 256Byte
• Cpu Speed: 20MHz
• No.: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNXLT28QFN3 - SOCKET TRAN ICE 18DIP/28QFNI3DBF648 - BOARD DAUGHTER ICEPIC3AC164033 - ADAPTER 28QFN TO 18DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 5-4:
FIGURE 5-5:
© 2005 Microchip Technology Inc.
Program
MCLR
PORTA
RD
circuit
RD
TRISA
mode
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
TMR0 Clock Input
Data
Bus
MCLRE
MCLR Filter
HV Detect
D
D
TRIS Latch
Data Latch
CK
CK
RD TRISA
(Configuration Bit)
Q
V
BLOCK DIAGRAM OF RA4/T0CKI/CMP2 PIN
BLOCK DIAGRAM OF THE
RA5/MCLR/V
Q
Q
Q
Q
SS
Schmitt Trigger
EN
Input Buffer
D
Comparator Output
PP
V
Comparator Mode = 110
SS
RA5/MCLR/V
PIN
PP
PIC16F627A/628A/648A
FIGURE 5-6:
(CMCON Reg.)
F
011, 100, 110
PORTA
F
101, 111
WR
WR
TRISA
RD
TRISA
From OSC1
CLKOUT(F
RD PORTA
1
0
Note 1: INTOSC with RA6 = I/O or RC with RA6 = I/O.
OSC
OSC
=
=
2: INTOSC with RA6 = CLKOUT or RC with
Q
(2)
Data Latch
TRIS Latch
OSC
D
D
RA6 = CLKOUT.
CK
CK
(1)
EN
/4)
D
Q
Q
Q
Q
Schmitt Trigger
Input Buffer
BLOCK DIAGRAM OF
RA6/OSC2/CLKOUT PIN
Q
1
0
Vss
N
EN
D
OSC
Circuit
DS40044D-page 33
Vss
RA4 Pin
Schmitt
Trigger
Input Buffer
V
V
DD
SS