PIC18LF2320-I/SP Microchip Technology, PIC18LF2320-I/SP Datasheet - Page 36
![IC MCU FLASH 4KX16 EEPROM 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18LF2320-I/SP
Manufacturer Part Number
PIC18LF2320-I/SP
Description
IC MCU FLASH 4KX16 EEPROM 28DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2220-ISO.pdf
(394 pages)
3.PIC18F2220-ISO.pdf
(6 pages)
4.PIC18F2220-ISO.pdf
(6 pages)
5.PIC18F2220-ISO.pdf
(8 pages)
6.PIC18F2220-ISO.pdf
(6 pages)
7.PIC18F2220-ISO.pdf
(6 pages)
Specifications of PIC18LF2320-I/SP
Core Size
8-Bit
Program Memory Size
8KB (4K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
25
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Controller Family/series
PIC18
No. Of I/o's
25
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F2220-ISO PDF datasheet #2
- PIC18F2220-ISO PDF datasheet #3
- PIC18F2220-ISO PDF datasheet #4
- PIC18F2220-ISO PDF datasheet #5
- PIC18F2220-ISO PDF datasheet #6
- PIC18F2220-ISO PDF datasheet #7
- Current page: 36 of 394
- Download datasheet (7Mb)
PIC18F2220/2320/4220/4320
3.3.2
In SEC_IDLE mode, the CPU is disabled but the
peripherals continue to be clocked from the Timer1
oscillator. This mode is entered by setting the IDLEN
bit, modifying to SCS1:SCS0 = 01 and executing a
SLEEP instruction. When the clock source is switched
to the Timer1 oscillator (see Figure 3-5), the primary
oscillator is shut down, the OSTS bit is cleared and the
T1RUN bit is set.
FIGURE 3-5:
FIGURE 3-6:
DS39599G-page 34
T1OSI
OSC1
CPU
Clock
Peripheral
Clock
Program
Counter
Note:
CPU Clock
Note 1: T
Peripheral
PLL Clock
Program
Counter
Output
T1OSI
OSC1
Clock
SEC_IDLE MODE
The Timer1 oscillator should already be
running prior to entering SEC_IDLE mode.
If the T1OSCEN bit is not set when try-
ing to set the SCS0 bit (OSCCON<0>),
the write to SCS0 will not occur. If the
Timer1 oscillator is enabled but not yet
running, peripheral clocks will be delayed
until the oscillator has started; in such sit-
uations, initial oscillator operation is far
from stable and unpredictable operation
may result.
Q1
Wake-up from Interrupt Event
OST
Q2
= 1024 T
PC
Q3
PC
Q4
TIMING TRANSITION FOR ENTRY TO SEC_IDLE MODE
TIMING TRANSITION FOR WAKE FROM SEC_RUN MODE (HSPLL)
OSC
Q1
; T
Q1
PLL
1
T
= 2 ms (approx). These intervals are not shown to scale.
OST
(1)
2
Q2
PC + 2
3
T
Clock Transition
OSTS bit Set
PLL (1)
Q3
4
Q4
5
PC + 2
6
Q1
1
2
7
When a wake-up event occurs, the peripherals continue
to be clocked from the Timer1 oscillator. After a 10 μs
delay following the wake-up event, the CPU begins exe-
cuting code, being clocked by the Timer1 oscillator. The
microcontroller operates in SEC_RUN mode until the
primary clock becomes ready. When the primary clock
becomes ready, a clock switch back to the primary clock
occurs (see Figure 3-6). When the clock switch is com-
plete, the T1RUN bit is cleared, the OSTS bit is set and
the primary clock is providing the system clock. The
IDLEN and SCS bits are not affected by the wake-up;
the Timer1 oscillator continues to run.
Clock Transition
3
8
4
5
PC + 4
6
7
8
© 2007 Microchip Technology Inc.
Q2
Q3 Q4
Q1
PC + 6
Q2
Q3
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