参数资料
型号: PIC12F1840-I/SN
厂商: Microchip Technology
文件页数: 81/122页
文件大小: 0K
描述: MCU 7KB FLASH 256B RAM 8-SOIC
产品培训模块: 8-bit PIC® Microcontroller Portfolio
标准包装: 100
系列: PIC® XLP™ 12F
核心处理器: PIC
芯体尺寸: 8-位
速度: 32MHz
连通性: I²C,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 5
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.3 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
2011 Microchip Technology Inc.
Preliminary
DS41441B-page 61
PIC12(L)F1840
5.6
Oscillator Control Registers
REGISTER 5-1:
OSCCON: OSCILLATOR CONTROL REGISTER
R/W-0/0
R/W-1/1
U-0
R/W-0/0
SPLLEN
IRCF<3:0>
SCS<1:0>
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7
SPLLEN:
Software PLL Enable bit
If PLLEN in Configuration Word 1 = 1:
SPLLEN bit is ignored. 4x PLL is always enabled (subject to oscillator requirements)
If PLLEN in Configuration Word 1 = 0:
1
= 4x PLL Is enabled
0 = 4x PLL is disabled
bit 6-3
IRCF<3:0>:
Internal Oscillator Frequency Select bits
000x
=31 kHz LF
0010
= 31.25 kHz MF
0011
= 31.25 kHz HF(1)
0100
= 62.5 kHz MF
0101
= 125 kHz MF
0110
= 250 kHz MF
0111
= 500 kHz MF (default upon Reset)
1000
= 125 kHz HF(1)
1001
= 250 kHz HF(1)
1010
= 500 kHz HF(1)
1011
=1 MHz HF
1100
=2 MHz HF
1101
=4 MHz HF
1110
= 8 MHz or 32 MHz HF(see Section 5.2.2.1 “HFINTOSC”)
1111
= 16 MHz HF
bit 2
Unimplemented:
Read as ‘0’
bit 1-0
SCS<1:0>:
System Clock Select bits
1x
= Internal oscillator block
01
= Timer1 oscillator
00
= Clock determined by FOSC<2:0> in Configuration Word 1.
Note 1:
Duplicate frequency derived from HFINTOSC.
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