PIC16F628A-I/SO Microchip Technology, PIC16F628A-I/SO Datasheet - Page 71

• 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 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