PIC18F8722-I/PT Microchip Technology Inc., PIC18F8722-I/PT Datasheet - Page 50
PIC18F8722-I/PT
Manufacturer Part Number
PIC18F8722-I/PT
Description
80 PIN, 128 KB FLASH, 4K RAM, 70 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F8722-IPT.pdf
(448 pages)
Specifications of PIC18F8722-I/PT
A/d Inputs
16-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
1024 Bytes
Input Output
70
Interface
SPI/I2C/USART
Memory Type
Flash
Number Of Bits
8
Package Type
80-pin TQFP
Programmable Memory
128K Bytes
Ram Size
3.9K Bytes
Speed
40 MHz
Timers
2-8 bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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PIC18F8722 FAMILY
3.5.4
Certain exits from power-managed modes do not
invoke the OST at all. There are two cases:
• PRI_IDLE mode, where the primary clock source
• the primary clock source is not any of the LP, XT,
TABLE 3-2:
DS39646B-page 48
Note 1:
is not stopped and
HS or HSPLL modes.
Primary Device Clock
2:
3:
4:
(PRI_IDLE mode)
T1OSC or INTRC
before Wake-up
Clock Source
(Sleep mode)
INTOSC
T
concurrently with any other required delays (see Section 3.4 “Idle Modes”).
Includes both the INTOSC 8 MHz source and postscaler derived frequencies. On Reset, INTOSC defaults
to 1 MHz.
T
(parameter F12, Table 28-7); it is also designated as T
Execution continues during T
EXIT WITHOUT AN OSCILLATOR
START-UP DELAY
CSD
OST
None
(parameter 38, Table 28-12) is a required delay when waking from Sleep and all Idle modes and runs
is the Oscillator Start-up Timer (parameter 32, Table 28-12). t
EXIT DELAY ON WAKE-UP BY RESET FROM SLEEP MODE OR ANY IDLE MODE
(BY CLOCK SOURCES)
(2)
IOBST
after Wake-up
Clock Source
LP, XT, HS
INTOSC
LP, XT, HS
INTOSC
LP, XT, HS
INTOSC
LP, XT, HS
INTOSC
EC, RC
EC, RC
EC, RC
EC, RC
HSPLL
HSPLL
HSPLL
HSPLL
(parameter 39, Table 28-12), the INTOSC stabilization period.
Preliminary
(2)
(2)
(2)
(2)
In these instances, the primary clock source either
does not require an oscillator start-up delay since it is
already running (PRI_IDLE), or normally does not
require an oscillator start-up delay (RC, EC and INTIO
Oscillator modes). However, a fixed delay of interval
T
leaving Sleep and Idle modes to allow the CPU to
prepare for execution. Instruction execution resumes
on the first clock cycle following this delay.
CSD
PLL
.
following the wake event is still required when
T
T
T
Exit Delay
OST
OST
OST
T
T
T
T
T
T
T
T
T
IOBST (4)
IOBST (4)
None
CSD
CSD (1)
CSD (1)
CSD (1)
OST
OST
OST
rc
+ t
+ t
+ t
is the PLL Lock-out Timer
(1)
(3)
(4)
(3)
rc
rc
rc
(3)
(3)
(3)
2004 Microchip Technology Inc.
Clock Ready Status
Bit (OSCCON)
OSTS
OSTS
OSTS
OSTS
IOFS
IOFS
IOFS
IOFS
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