PIC16LF723A-E/SP Microchip Technology, PIC16LF723A-E/SP Datasheet - Page 82
PIC16LF723A-E/SP
Manufacturer Part Number
PIC16LF723A-E/SP
Description
7 KB Flash, 16 MHz Int. Osc, NanoWatt XLP 28 SPDIP .300in TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16F722AT-ISS.pdf
(284 pages)
Specifications of PIC16LF723A-E/SP
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC16F/LF722A/723A
FIGURE 7-4:
7.6.4
The external Resistor-Capacitor (RC) modes support
the use of an external RC circuit. This allows the
designer maximum flexibility in frequency choice while
keeping costs to a minimum when clock accuracy is not
required. There are two modes: RC and RCIO.
In RC mode, the RC circuit connects to OSC1. OSC2/
CLKOUT outputs the RC oscillator frequency divided
by 4. This signal may be used to provide a clock for
external circuitry, synchronization, calibration, test or
other application requirements. Figure 7-5 shows the
external RC mode connections.
TABLE 7-1:
DS41417A-page 82
CONFIG1
OSCCON
OSCTUNE
Legend:
Note 1:
Note 1: A series resistor (R
Name
C1
C2 Ceramic
2: The value of R
3: An additional parallel feedback resistor (R
(1)
Resonator
ceramic resonators with low drive level.
selected.
may be required for proper ceramic resonator
operation.
x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by oscillators.
See Configuration Word 1 (Register 8-1) for operation of all bits.
EXTERNAL RC MODES
Bit 7
—
—
—
SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES
R
P (3)
R
S (1)
CERAMIC RESONATOR
OPERATION
(XT OR HS MODE)
F
varies with the Oscillator mode
Bit 6
CP
OSC1/CLKIN
OSC2/CLKOUT
—
—
S
R
) may be required for
F
(2)
MCLRE
IRCF1
TUN5
PIC
Bit 5
®
MCU
To Internal
Logic
Sleep
PWRTE
IRCF0
TUN4
Bit 4
P
)
WDTE
TUN3
Bit 3
ICSL
FOSC2
FIGURE 7-5:
In RCIO mode, the RC circuit is connected to OSC1.
OSC2 becomes an additional general purpose I/O pin.
The RC oscillator frequency is a function of the supply
voltage, the resistor (R
and the operating temperature. Other factors affecting
the oscillator frequency are:
• threshold voltage variation
• component tolerances
• packaging variations in capacitance
The user also needs to take into account variation due
to tolerance of external RC components used.
TUN2
ICSS
Bit 2
R
C
Note 1:
V
Recommended values: 10 k R
EXT
EXT
SS
V
F
I/O
OSC
DD
(2)
2:
FOSC1
TUN1
Bit 1
/4 or
—
Alternate pin functions are described in
Section 6.1 “Alternate Pin Function”.
Output depends upon RC or RCIO clock mode.
FOSC0
TUN0
Bit 0
OSC1/CLKIN
OSC2/CLKOUT
—
EXT
EXTERNAL RC MODES
2010 Microchip Technology Inc.
3 k R
C
EXT
) and capacitor (C
--10 qq--
--00 0000
POR, BOR
> 20 pF, 2-5V
Value on
PIC
EXT
—
EXT
(1)
®
100 k, 3-5V
MCU
100 k, <3V
--10 qq--
--uu uuuu
EXT
Resets
Value on
all other
Internal
Clock
—
) values
(1)
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