PIC16F688-I/SL Microchip Technology, PIC16F688-I/SL Datasheet - Page 454
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
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Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F688-I/SL
Manufacturer:
MICROCHIP
Quantity:
4 952
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Part Number:
PIC16F688-I/SL
Manufacturer:
Microchip Technology
Quantity:
27 564
Part Number:
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Manufacturer:
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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: 454 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
24.4
24.4.1
24.4.2
DS31024A-page 24-12
REFOFF (SLPCON<5>)
Bandgap Voltage Reference
Slope Reference Voltage Divider
SREFLO
K
Other Analog Modules
REF
Reference
Bandgap
=
~
Additional analog modules for mixed signal applications are required. These include:
• bandgap voltage reference
• slope reference voltage divider
The bandgap reference circuit is used to generate a 1.2V nominal stable voltage reference for
the Slope A/D, the low-voltage detector, and the slope reference divider. The bandgap reference
voltage is available on the analog MUX. To enable the bandgap reference REFOFF (SLP-
CON<5>) must be cleared. The bandgap reference must be enabled for any slope A/D conver-
sion.
The bandgap reference calibration factor is stored in the calibration space EPROM.
The slope reference voltage divider circuit, consisting of a buffer amplifier and resistor divider, is
connected to the internal bandgap reference producing two other voltage references called
SREFHI and SREFLO (see
1.2V, and SREFLO is nominally 0.13V. These reference voltages are available on two of the ana-
log multiplexer channels. The Slope A/D module and firmware can measure the SREFHI and
SREFLO voltages, and in conjunction with the K
ADC's offset and slope errors.
See AN624 for further details.
Figure 24-3: Slope Reference Divider
SREFHI
SREFHI - SREFLO
9
SREFLO
V
REF
ADOFF (SLPCON<0>)
Figure
+
_
24-3). SREFHI is nominally the same as the bandgap voltage,
REF
and K
BG
calibration data correct for the
1997 Microchip Technology Inc.
SREFHI
SREFLO
To Slope A/D
MUX
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