PIC16F688-I/SL Microchip Technology, PIC16F688-I/SL Datasheet - Page 119
![IC PIC MCU FLASH 4KX14 14SOIC](/photos/6/59/65933/150-14-soic_sml.jpg)
PIC16F688-I/SL
Manufacturer Part Number
PIC16F688-I/SL
Description
IC PIC MCU FLASH 4KX14 14SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(204 pages)
3.PIC16F688T-ISL.pdf
(6 pages)
4.PIC16F688T-ISL.pdf
(4 pages)
5.PIC16F688T-ISL.pdf
(688 pages)
6.PIC16F688-EP.pdf
(174 pages)
Specifications of PIC16F688-I/SL
Program Memory Type
FLASH
Program Memory Size
7KB (4K x 14)
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
12
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SCI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
12
Number Of Timers
1
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
On-chip Adc
8 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT14SO-1 - SOCKET TRANSITION 14SOIC 150/208AC162061 - HEADER INTRFC MPLAB ICD2 20PINAC162056 - HEADER INTERFACE ICD2 16F688
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F688-I/SL
Manufacturer:
MICROCHIP
Quantity:
4 952
Company:
Part Number:
PIC16F688-I/SL
Manufacturer:
Microchip Technology
Quantity:
27 564
Part Number:
PIC16F688-I/SL
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F688T-ISL PDF datasheet #3
- PIC16F688T-ISL PDF datasheet #4
- PIC16F688T-ISL PDF datasheet #5
- PIC16F688-EP PDF datasheet #6
- Current page: 119 of 688
- Download datasheet (3Mb)
7.8
7.9
7.10
1997 Microchip Technology Inc.
Protection Against Spurious Writes
Data EEPROM Operation During Code Protected Configuration
Initialization
There are conditions when the device may not want to write to the data EEPROM memory. To
protect against spurious EEPROM writes, various mechanisms have been built-in. On power-up,
WREN is cleared. Also, the Power-up Timer (72 ms duration) prevents EEPROM write.
The write initiate sequence and the WREN bit together help prevent an accidental write during
brown-outs, power glitches, and software malfunction.
When the device is code protected, the CPU is able to read and write data to the Data EEPROM.
For ROM devices, there are two code protection bits. One for the ROM program memory and one
for the Data EEPROM memory. See the Device Programming Specification for more information
about these bits.
The Data EEPROM module does not have an initialization sequence such as other modules. To
do a read of the Data EEPROM refer to
to
As for the General Purpose RAM, it is a good idea to initialize all Data EEPROM locations to a
known state. This initialization may take place at the time of device programming or an applica-
tion diagnostic mode, since on reset you may not want the Data EEPROM to be cleared.
An Application Diagnostic mode may be a condition on the I/O pins that the device tests for after
the device power-ups. Then depending on this mode, the device would do some diagnostic func-
tion. The state for the I/O pins would need to be something that would not be possible without the
injected levels to force this diagnostic mode.
Example
7-2, and to verify that the write completed successfully refer to
Section 7. Data EEPROM
Example
7-1. To do a write to the Data EEPROM refer
Example
DS31007A-page 7-7
7-3.
7
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