PIC16F648A-I/ML Microchip Technology, PIC16F648A-I/ML Datasheet - Page 71

• 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 11-2:
TABLE 11-1:
© 2009 Microchip Technology Inc.
9Fh
1Fh
85h
Legend:
Address
Note 1: R is dependent upon the voltage reference configuration VRCON<3:0> and VRCON<5>.
VRCON
CMCON
TRISA
Name
- = Unimplemented, read as ‘0’.
REGISTERS ASSOCIATED WITH VOLTAGE REFERENCE
Module
V
REF
C2OUT
TRISA7 TRISA6 TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 1111 1111 1111 1111
VREN
Bit 7
VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
Voltage
Reference
Output
Impedance
C1OUT
VROE
Bit 6
R
(1)
C2INV
Bit 5
VRR
RA2
C1INV
Bit 4
—
PIC16F627A/628A/648A
Bit 3
VR3
CIS
Bit 2
CM2
VR2
Op Amp
+
Bit 1
CM1
VR1
V
REF
Bit 0
CM0
VR0
Output
000- 0000 000- 0000
0000 0000 0000 0000
Value On
POR
DS40044G-page 71
Value On
All Other
Resets