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参数资料
型号： PIC18LF2450T-I/SO
厂商： Microchip Technology
文件页数： 83/143页
文件大小： 0K
描述： IC PIC MCU FLASH 8KX16 28SOIC
标准包装： 1,600
系列： PIC® 18F
核心处理器： PIC
芯体尺寸： 8-位
速度： 48MHz
连通性： UART/USART，USB
外围设备： 欠压检测/复位，HLVD，POR，PWM，WDT
输入/输出数： 23
程序存储器容量： 16KB（8K x 16）
程序存储器类型： 闪存
RAM 容量： 768 x 8
电压 - 电源 (Vcc/Vdd)： 2 V ~ 5.5 V
数据转换器： A/D 10x10b
振荡器型： 内部
工作温度： -40°C ~ 85°C
封装/外壳： 28-SOIC（0.295"，7.50mm 宽）
包装： 带卷 (TR)
PIC18F2450/4450
DS39760A-page 42
Advance Information
2006 Microchip Technology Inc.
REGISTER 4-1:
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
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
IPEN: Interrupt Priority Enable bit
1
= Enable priority levels on interrupts
0
= Disable priority levels on interrupts (PIC16CXXX Compatibility mode)
bit 6
SBOREN: BOR Software Enable bit(1)
If BOREN1:BOREN0 = 01:
1
= BOR is enabled
0
= BOR is disabled
If BOREN1:BOREN0 = 00, 10 or 11:
Bit is disabled and read as ‘0’.
bit 5
Unimplemented: Read as ‘0’
bit 4
RI: RESET Instruction Flag bit
1
= The RESET instruction was not executed (set by firmware only)
0
= The RESET instruction was executed causing a device Reset (must be set in software after a
Brown-out Reset occurs)
bit 3
TO: Watchdog Time-out Flag bit
1
= Set by power-up, CLRWDT instruction or SLEEP instruction
0
= A WDT time-out occurred
bit 2
PD: Power-Down Detection Flag bit
1
= Set by power-up or by the CLRWDT instruction
0
= Set by execution of the SLEEP instruction
bit 1
POR: Power-on Reset Status bit(2)
1
= A Power-on Reset has not occurred (set by firmware only)
0
= A Power-on Reset occurred (must be set in software after a Power-on Reset occurs)
bit 0
BOR: Brown-out Reset Status bit
1
= A Brown-out Reset has not occurred (set by firmware only)
0
= A Brown-out Reset occurred (must be set in software after a Brown-out Reset occurs)
Note 1:
If SBOREN is enabled, its Reset state is ‘1’; otherwise, it is ‘0’.
2:
The actual Reset value of POR is determined by the type of device Reset. See the notes following this
register and Section 4.6 “Reset State of Registers” for additional information.
Note 1: It is recommended that the POR bit be set after a Power-on Reset has been detected so that subsequent
Power-on Resets may be detected.
2: Brown-out Reset is said to have occurred when BOR is ‘0’ and POR is ‘1’ (assuming that POR was set to
‘1’ by software immediately after POR).
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PIC18LF2455-I/SP 功能描述:8位微控制器 -MCU 24kBF 2048RM FSUSB2 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
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