參數(shù)資料
型號: PIC18LF4221-I/PT
廠商: Microchip Technology
文件頁數(shù): 11/110頁
文件大?。?/td> 0K
描述: IC PIC MCU FLASH 2KX16 44TQFP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 160
系列: PIC® 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 40MHz
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): 36
程序存儲器容量: 4KB(2K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 13x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
產(chǎn)品目錄頁面: 642 (CN2011-ZH PDF)
PIC18F2221/2321/4221/4321 FAMILY
DS39689F-page 108
2009 Microchip Technology Inc.
10.5
RCON Register
The RCON register contains flag bits which are used to
determine the cause of the last Reset or wake-up from
Idle or Sleep modes. RCON also contains the IPEN bit
which enables interrupt priorities.
The operation of the SBOREN bit and the Reset flag
bits is discussed in more detail in Section 5.1 “RCON
REGISTER 10-10: RCON: RESET CONTROL REGISTER
R/W-0
R/W-1(1)
U-0
R/W-1
R-1
R/W-0(2)
R/W-0
IPEN
SBOREN
—RI
TO
PD
POR
BOR
bit 7
bit 0
bit 7
IPEN: Interrupt Priority Enable bit
1 = Enable priority levels on interrupts
0 = Disable priority levels on interrupts (PIC16XXX Compatibility mode)
bit 6
SBOREN: Software BOR Enable bit(1)
For details of bit operation, see Register 5-1.
bit 5
Unimplemented: Read as ‘0’
bit 4
RI: RESET Instruction Flag bit
For details of bit operation, see Register 5-1.
bit 3
TO: Watchdog Time-out Flag bit
For details of bit operation, see Register 5-1.
bit 2
PD: Power-down Detection Flag bit
For details of bit operation, see Register 5-1.
bit 1
POR: Power-on Reset Status bit(2)
For details of bit operation, see Register 5-1.
bit 0
BOR: Brown-out Reset Status bit
For details of bit operation, see Register 5-1.
Note 1: If SBOREN is enabled, its Reset state is ‘1’; otherwise, it is ‘0’.
2: Actual Reset values are determined by device configuration and the nature of the
device Reset. See Register 5-1 for additional information.
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
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PIC18LF4221T-I/PT 功能描述:8位微控制器 -MCU 4KB FL 512 RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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