參數(shù)資料
型號: PIC18LF25K22-I/SS
廠商: Microchip Technology
文件頁數(shù): 26/71頁
文件大?。?/td> 0K
描述: MCU 8BIT 32KB FLASH 3.6V 28SSOP
產(chǎn)品培訓(xùn)模塊: 8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 47
系列: PIC® XLP™ 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 64MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,HLVD,POR,PWM,WDT
輸入/輸出數(shù): 24
程序存儲器容量: 32KB(16K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 1.5K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 19x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
包裝: 管件
產(chǎn)品目錄頁面: 656 (CN2011-ZH PDF)
PIC18(L)F2X/4XK22
DS41412E-page 32
2010-2012 Microchip Technology Inc.
2.3
Register Definitions: Oscillator Control
REGISTER 2-1:
OSCCON: OSCILLATOR CONTROL REGISTER
R/W-0
R/W-1
R-q
R-0
R/W-0
IDLEN
IRCF<2:0>
OSTS(1)
HFIOFS
SCS<1:0>
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
q = depends on condition
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
IDLEN: Idle Enable bit
1
= Device enters Idle mode on SLEEP instruction
0
= Device enters Sleep mode on SLEEP instruction
bit 6-4
IRCF<2:0>: Internal RC Oscillator Frequency Select bits(2)
111
= HFINTOSC – (16 MHz)
110
= HFINTOSC/2 – (8 MHz)
101
= HFINTOSC/4 – (4 MHz)
100
= HFINTOSC/8 – (2 MHz)
011
= HFINTOSC/16 – (1 MHz)(3)
If INTSRC = 0 and MFIOSEL = 0:
010
= HFINTOSC/32 – (500 kHz)
001
= HFINTOSC/64 – (250 kHz)
000
= LFINTOSC – (31.25 kHz)
If INTSRC = 1 and MFIOSEL = 0:
010
= HFINTOSC/32 – (500 kHz)
001
= HFINTOSC/64 – (250 kHz)
000
= HFINTOSC/512 – (31.25 kHz)
If INTSRC = 0 and MFIOSEL = 1:
010
= MFINTOSC – (500 kHz)
001
= MFINTOSC/2 – (250 kHz)
000
= LFINTOSC – (31.25 kHz)
If INTSRC = 1 and MFIOSEL = 1:
010
= MFINTOSC – (500 kHz)
001
= MFINTOSC/2 – (250 kHz)
000
= MFINTOSC/16 – (31.25 kHz)
bit 3
OSTS: Oscillator Start-up Time-out Status bit
1
= Device is running from the clock defined by FOSC<3:0> of the CONFIG1H register
0
= Device is running from the internal oscillator (HFINTOSC, MFINTOSC or LFINTOSC)
bit 2
HFIOFS: HFINTOSC Frequency Stable bit
1
= HFINTOSC frequency is stable
0
= HFINTOSC frequency is not stable
bit 1-0
SCS<1:0>: System Clock Select bit
1x
= Internal oscillator block
01
= Secondary (SOSC) oscillator
00
= Primary clock (determined by FOSC<3:0> in CONFIG1H).
Note 1:
Reset state depends on state of the IESO Configuration bit.
2:
INTOSC source may be determined by the INTSRC bit in OSCTUNE and the MFIOSEL bit in OSCCON2.
3:
Default output frequency of HFINTOSC on Reset.
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