PIC18LF1330-I/SO Microchip Technology, PIC18LF1330-I/SO Datasheet - Page 121
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PIC18LF1330-I/SO
Manufacturer Part Number
PIC18LF1330-I/SO
Description
IC PIC MCU FLASH 4KX16 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.AC162078.pdf
(318 pages)
3.PIC18F1230-ISO.pdf
(6 pages)
4.PIC18F1230-ISO.pdf
(12 pages)
5.PIC18F1230-ISO.pdf
(4 pages)
6.PIC18F1230-IP.pdf
(312 pages)
Specifications of PIC18LF1330-I/SO
Core Size
8-Bit
Program Memory Size
8KB (4K x 16)
Oscillator Type
Internal
Core Processor
PIC
Speed
40MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 4x10b
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Controller Family/series
PIC18
No. Of I/o's
16
Eeprom Memory Size
128Byte
Ram Memory Size
256Byte
Cpu Speed
40MHz
No.
RoHS Compliant
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18LF1330-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- AC162078 PDF datasheet #2
- PIC18F1230-ISO PDF datasheet #3
- PIC18F1230-ISO PDF datasheet #4
- PIC18F1230-ISO PDF datasheet #5
- PIC18F1230-IP PDF datasheet #6
- Current page: 121 of 312
- Download datasheet (6Mb)
13.3.1
In the Free-Running mode, the PWM time base
(PTMRL and PTMRH) will begin counting upwards until
the value in the PWM Time Base Period register,
PTPER (PTPERL and PTPERH), is matched. The
PTMR registers will be reset on the following input
clock edge and the time base will continue counting
upwards as long as the PTEN bit remains set.
13.3.2
In the Single-Shot mode, the PWM time base will begin
counting upwards when the PTEN bit is set. When the
value in the PTMR register matches the PTPER
register, the PTMR register will be reset on the
following input clock edge and the PTEN bit will be
cleared by the hardware to halt the time base.
13.3.3
In Continuous Up/Down Count modes, the PWM time
base counts upwards until the value in the PTPER
register matches the PTMR register. On the following
input clock edge, the timer counts downwards. The
PTDIR bit in the PTCON1 register is read-only and
indicates the counting direction. The PTDIR bit is set
when the timer counts downwards.
13.3.4
The input clock to PTMR (F
options of 1:1, 1:4, 1:16 or 1:64. These are selected by
control bits, PTCKPS<1:0>, in the PTCON0 register.
The prescaler counter is cleared when any of the
following occurs:
• Write to the PTMR register
• Write to the PTCON (PTCON0 or PTCON1) register
• Any device Reset
© 2007 Microchip Technology Inc.
Note:
Note:
FREE-RUNNING MODE
SINGLE-SHOT MODE
CONTINUOUS UP/DOWN COUNT
MODES
Since the PWM compare outputs are
driven to the active state when the PWM
time-base is counting downwards and
matches the duty cycle value, the PWM
outputs are held inactive during the first
half of the first period of the Continuous
Up/Down Count mode until the PTMR
begins to count down from the PTPER
value.
PWM TIME BASE PRESCALER
The PTMR register is not cleared when
PTCONx is written.
OSC
/4) has prescaler
Advance Information
Table 13-1 shows the minimum PWM frequencies that
can be generated with the PWM time base and the
prescaler.
(F
the table. The PWM module must be capable of
generating PWM signals at the line frequency (50 Hz or
60 Hz) for certain power control applications.
TABLE 13-1:
13.3.5
The match output of PTMR can optionally be
postscaled through a 4-bit postscaler (which gives a
1:1 to 1:16 scaling inclusive) to generate an interrupt.
The postscaler counter is cleared when any of the
following occurs:
• Write to the PTMR register
• Write to the PTCONx register
• Any device Reset
The PTMR register is not cleared when PTCONx is
written.
13.4
The PWM timer can generate interrupts based on the
modes of operation selected by the PTMOD<1:0> bits
and the postscaler bits (PTOPS<3:0>).
13.4.1
When the PWM time base is in the Free-Running mode
(PTMOD<1:0> = 00), an interrupt event is generated
each time a match with the PTPER register occurs. The
PTMR register is reset to zero in the following clock
edge.
Using a postscaler selection other than 1:1 will reduce
the frequency of interrupt events.
Minimum PWM Frequencies vs. Prescaler Value
CYC
Prescale
= 10 MHz) and PTPER = 0xFFF are assumed in
1:16
1:64
for F
1:1
1:4
PWM Time Base Interrupts
PIC18F1230/1330
PWM TIME BASE POSTSCALER
INTERRUPTS IN FREE-RUNNING
MODE
An
CYC
= 10 MIPS (PTPER = 0FFFh)
operating
MINIMUM PWM FREQUENCY
Edge-Aligned
Frequency
2441 Hz
610 Hz
153 Hz
38 Hz
PWM
frequency
DS39758C-page 119
Center-Aligned
Frequency
1221 Hz
305 Hz
of
76 Hz
19 Hz
PWM
40 MHz
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