PIC16F1939-E/ML Microchip Technology, PIC16F1939-E/ML Datasheet - Page 17

• Manufacturer Part Number: PIC16F1939-E/ML
• Description: 28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V 44 QFN 8x8x0.9mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1939-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 28KB (16K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER 3-3:
 2010 Microchip Technology Inc.
bit 4
bit 3-2
bit 1-0
bit 1-0
Note 1:
(2, 4)
(5)
2:
3:
4:
5:
PIC16F193X/LF193X/PIC16F194X/LF194X/
For PIC16F193X only.
For PIC16F194X only.
The LVP bit cannot be programmed to ‘0’ when Programming mode is entered via LVP.
Unemplemented on PIC16LF190X devices. This bit reads as ‘1’.
For PIC16LF190X only.
For the PIC16F1946/1947:
VCAPEN
PIC16LF194x:
PIC16F194x:
Unimplemented: Read as ‘1’
WRT<1:0>: Flash Memory Self-write Protection bits
4 kW Flash memory (PIC16F1933/PIC16LF1933 and PIC16F1934/PIC16LF1934 only):
8 kW Flash memory (PIC16F1936/PIC16LF1936, PIC16F1937/PIC16LF1937 and PIC16F1946/
PIC16LF1946):
16 kW Flash memory (PIC16F1938/PIC16LF1938, PIC16F1939/PIC16LF1939 and PIC16F1947/
PIC16LF1947):
WRT<1:0>: Flash Memory Self-Write Protection bits
2 kW Flash memory: PIC16LF1902:
4 kW Flash memory: PIC16LF1903/1904:
8 kW Flash memory: PIC16LF1906/1907:
1 = All V
This bit is unimplemented. All V
0 = V
11 = Write protection off
10 = 000h to 1FFh write protected, 200h to FFFh may be modified by EECON control
01 = 000h to 7FFh write protected, 800h to FFFh may be modified by EECON control
00 = 000h to FFFh write protected, no addresses may be modified by EECON control
11 = Write protection off
10 = 000h to 1FFh write protected, 200h to 1FFFh may be modified by EECON control
01 = 000h to FFFh write protected, 1000h to 1FFFh may be modified by EECON control
00 = 000h to 1FFFh write protected, no addresses may be modified by EECON control
11 = Write protection off
10 = 000h to 1FFh write protected, 200h to 3FFFh may be modified by EECON control
01 = 000h to 1FFFh write protected, 2000h to 3FFFh may be modified by EECON control
00 = 000h to 3FFFh write protected, no addresses may be modified by EECON control
11 = Write protection off
10 = 000h to 1FFh write protected, 200h to 1FFFh may be modified by PMCON control
01 = 000h to FFFh write protected, 1000h to 1FFFh may be modified by PMCON control
00 = 000h to 1FFFh write protected, no addresses may be modified by PMCON control
11 = Write protection off
10 = 000h to 1FFh write protected, 200h to 7FFh may be modified by PMCON control
01 = 000h to 3FFh write protected, 400h to 7FFh may be modified by PMCON control
00 = 000h to 7FFh write protected, no addresses may be modified by PMCON control
11 = Write protection off
10 = 000h to 1FFh write protected, 200h to FFFh may be modified by PMCON control
01 = 000h to 7FFh write protected, 800h to FFFh may be modified by PMCON control
00 = 000h to FFFh write protected, no addresses may be modified by PMCON control
CONFIGURATION WORD 2 (CONTINUED)
(2)
CAP
: Voltage Regulator Capacitor Enable bits
CAP
functionality is enabled on RF0
pin functions are disabled
CAP
pin functions are disabled.
DS41397B-page 17