参数资料
型号: PIC18LF47J13-I/PT
厂商: Microchip Technology
文件页数: 57/71页
文件大小: 0K
描述: IC PIC MCU 128KB FLASH 44TQFP
产品培训模块: 8-bit PIC® Microcontroller Portfolio
标准包装: 160
系列: PIC® XLP™ 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 48MHz
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: 34
程序存储器容量: 128KB(64K x 16)
程序存储器类型: 闪存
RAM 容量: 3.8K x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 2.75 V
数据转换器: A/D 13x10b/12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-TQFP
包装: 管件
PIC18(L)F2X/4XK22
DS41412F-page 60
2010-2012 Microchip Technology Inc.
4.2
Register Definitions: Reset Control
REGISTER 4-1:
RCON: RESET CONTROL REGISTER
R/W-0/0
R/W-q/u
U-0
R/W-1/q
R-1/q
R/W-q/u
R/W-0/q
IPEN
SBOREN(1)
—RI
TO
PD
POR(2)
BOR
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
‘1’ = Bit is set
‘0’ = Bit is cleared
-n/n = Value at POR and BOR/Value at all other Resets
x = Bit is unknown
u = unchanged
q = depends on condition
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 BOREN<1:0> = 01:
1
= BOR is enabled
0
= BOR is disabled
If BOREN<1:0> = 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 or Power-on Reset)
0
= The RESET instruction was executed causing a device Reset (must be set in firmware after a
code-executed 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
= No Power-on Reset occurred
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(3)
1
= A Brown-out Reset has not occurred (set by firmware only)
0
= A Brown-out Reset occurred (must be set by firmware after a POR or Brown-out Reset occurs)
Note 1:
When CONFIG2L[2:1] = 01, then the SBOREN 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 4.7 “Reset State of Registers” for additional information.
3:
Note 1: Brown-out Reset is indicated when BOR is ‘0’ and POR is ‘1’ (assuming that both POR and BOR were set
to ‘1’ by firmware immediately after POR).
2: 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.
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