PIC16F1517-E/P Microchip Technology, PIC16F1517-E/P Datasheet - Page 105

• Manufacturer Part Number: PIC16F1517-E/P
• Description: 40-pin, 14KB Flash, 512B RAM, 10-bit ADC, 2xCCP, SPI, MI2C, EUSART, 2.3V-5.5V 40
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1517-E/P

• Processor Series: PIC16F151x
• Core: PIC
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 8 KB
• Data Ram Size: 512 B
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 2.3 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Package / Case: PDIP-40
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: -
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.3 V ~ 5.5 V
• Data Converters: A/D 28x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Lead Free Status / Rohs Status: Details

FIGURE 11-6:
 2011 Microchip Technology Inc.
The number of words cannot
to be written into Program or
exceed the number of words
Determine number of words
Program or Config. Memory
Select WRITE Operation
Load Write Latches Only
Configuration Memory.
(PMADRH:PMADRL)
Select Row Address
WRITE Operation
Disable Interrupts
(LWLO = 1)
(FREE = 0)
(word_cnt)
(GIE = 0)
per row.
(CFGS)
Select
Start
FLASH PROGRAM MEMORY WRITE FLOWCHART
Preliminary
Program Memory Latches
Update the word counter
No delay when writing to
(PMADRH:PMADRL++)
Operation (WREN = 1)
Load the value to write
(PMDATH:PMDATL)
Enable Write/Erase
Increment Address
Unlock Sequence
Figure 11-3
(word_cnt--)
Last word to
(Figure x-x)
write ?
No
PIC16(L)F1516/7/8/9
Yes
CPU stalls while WRITE
Write Latches to Flash
Write/Erase Operation
Re-enable Interrupts
operation completes
ERASE Operation
Unlock Sequence
(2ms typical)
Figure 11-3
(WREN = 0)
(LWLO = 0)
(Figure x-x)
(GIE = 1)
Disable
End
DS41452B-page 105