PIC16LF1939-E/P Microchip Technology, PIC16LF1939-E/P Datasheet - Page 121
PIC16LF1939-E/P
Manufacturer Part Number
PIC16LF1939-E/P
Description
28KB Flash, 1KB RAM, 256B EEPROM, LCD, NanoWatt XLP 40 PDIP .600in TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Specifications of PIC16LF1939-E/P
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 ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF1939-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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After the “BSF EECON1,WR” instruction, the processor
requires two cycles to set up the write operation. The
user must place two NOP instructions after the WR bit is
set. The processor will halt internal operations for the
typical 2 ms, only during the cycle in which the write
takes place (i.e., the last word of the block write). This
is not Sleep mode as the clocks and peripherals will
FIGURE 11-2:
2009 Microchip Technology Inc.
EEADRL<2:0> = 000
First word of block
to be written
Buffer Register
BLOCK WRITES TO FLASH PROGRAM MEMORY WITH 8 WRITE LATCHES
14
EEADRL<2:0> = 001
7
Buffer Register
5
EEDATH
Preliminary
6
14
Program Memory
EEADRL<2:0> = 010
0 7
continue to run. The processor does not stall when
LWLO = 1, loading the write latches. After the write
cycle, the processor will resume operation with the third
instruction after the EECON1 write instruction.
PIC16F193X/LF193X
EEDATA
Buffer Register
8
14
EEADRL<2:0> = 111
0
Buffer Register
Last word of block
DS41364D-page 121
to be written
14
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