PIC18F2331/2431/4331/4431
DS39616D-page 36
2010 Microchip Technology Inc.
REGISTER 3-2:
OSCCON: OSCILLATOR CONTROL REGISTER
R/W-0
R(1)
R-0
R/W-0
IDLEN
IRCF2
IRCF1
IRCF0
OSTS
IOFS
SCS1
SCS0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
IDLEN:
Idle Enable bit
1
= Idle mode enabled; CPU core is not clocked in power-managed modes
0
= Run mode enabled; CPU core is clocked in power-managed modes
bit 6-4
IRCF<2:0>:
Internal Oscillator Frequency Select bits
111
= 8 MHz (8 MHz source drives clock directly)
110
= 4 MHz (default)
101
= 2 MHz
100
= 1 MHz
011
= 500 kHz
010
= 250 kHz
001
= 125 kHz
000
= 31 kHz (INTRC source drives clock directly)(2)
bit 3
OSTS:
Oscillator Start-up Timer Time-out Status bit(1)
1
= Oscillator Start-up Timer time-out has expired; primary oscillator is running
0
= Oscillator Start-up Timer time-out is running; primary oscillator is not ready
bit 2
IOFS:
INTOSC Frequency Stable bit
1
= INTOSC frequency is stable
0
= INTOSC frequency is not stable
bit 1-0
SCS<1:0>:
System Clock Select bits
1x
= Internal oscillator block
01
= Secondary (Timer1) oscillator
00
= Primary oscillator
Note 1:
Depends on the state of the IESO bit in Configuration Register 1H.
2:
Default output frequency of INTOSC on Reset.
相关PDF资料
PIC18LF4420-I/PT IC MCU FLASH 8KX16 44TQFP
DSPIC33FJ64GP202-I/MM IC DSPIC MCU/DSP 64K 28-QFN
PIC16C57-XT/SO IC MCU OTP 2KX12 28SOIC
172061-3 DRAWER CONN 12P MALE
223041-4 FB-5R,VERTICAL SHROUD,120 POS
AT91R40008-66AI SL383 IC ARM MCU 16BIT 100TQFP
AT91M55800A-33CJ SL383 IC ARM MCU 16BIT 176BGA
646481-5 CONN SHROUD RCPT 133POS 2MM HM
相关代理商/技术参数
PIC18F2331-I/SO 制造商:Microchip Technology Inc 功能描述:28 pin 8 KB Enh Flash 768 RAM 22 I/O
PIC18F2331-I/SP 功能描述:8位微控制器 -MCU 8KB 768 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F2331-I/SP 制造商:Microchip Technology Inc 功能描述:IC 8BIT FLASH MCU 18F2331 SDIL28
PIC18F2331T-E/SOG 功能描述:8位微控制器 -MCU 8kBF 768RM 22I/O Lead Free Package RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F2331T-I/ML 功能描述:8位微控制器 -MCU 8KB 768 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F2331T-I/MM 功能描述:8位微控制器 -MCU 8kBF 768RM 22I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F2331T-I/SO 功能描述:8位微控制器 -MCU 8KB 768 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F23K20-E/ML 功能描述:8位微控制器 -MCU 8 KB Enh Flash 768 RAM 25 I/O Pb Free RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT