參數(shù)資料
型號： PIC14000-04
廠商： Microchip Technology Inc.
英文描述： 28-Pin Programmable Mixed Signal Controller
中文描述： 28引腳可編程混合信號控制器
文件頁數(shù)： 22/152頁
文件大小： 953K
代理商： PIC14000-04
PIC14000
DS40122B-page 22
Preliminary
1996 Microchip Technology Inc.
4.2.2.6
PCON REGISTER
The Power Control (PCON) register status contains
2 flag bits to allow differentiation between a Power-on
Reset, an external MCLR reset, WDT reset, or low-volt-
age condition (Figure 4-8).
These bits are cleared on POR. The user must set
these bits following POR. On a subsequent reset if
POR is cleared, this is an indication that the reset was
due to a power-on reset condition.
Note:
LVD is unknown on Power-on Reset. It
must then be set by the user and checked
on subsequent resets to see if LVD is
cleared, indicating a low voltage condition
has occurred.
FIGURE 4-8:
PCON REGISTER
bit7
bit0
LVD
—
POR
LVD:
1 = A low-voltage detect condition has not occurred.
0 = A low-voltage detect condition has occurred.
Software must set this bit after a
power-on-reset condition has occurred.
Low Voltage Detect Flag
Reserved.
Bit 7 is reserved. This bit should be
programmed as ‘0’ .
R/W R/W
R/W
U
U U U U
r
—
—
—
—
W: Writable
R:
Readable
U:
Unimplemented,
read as ‘0’
Register: PCON
Address:
POR value:
0000_000xb
8Eh
POR:
Power on Reset Flag
1 = A power on reset condition has not occurred.
Reset must be due to some other source
(WDT, MCLR).
0 = A power on reset condition has occurred.
Software must set this bit after a
power-on-reset condition has occurred.
Unimplemented.
Read as ‘0’
Unimplemented.
Read as ‘0’
Unimplemented.
Read as ‘0’
Unimplemented.
Read as ‘0’
Unimplemented.
Read as ‘0’
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC14000-04/SO 功能描述:8位微控制器 -MCU 7KB 192 RAM 20 I/O 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(shí)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
PIC14000-04/SP 功能描述:8位微控制器 -MCU 7KB 192 RAM 20 I/O 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(shí)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
PIC14000-04/SP 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 14000 SDIL28
PIC14000-04/SS 功能描述:8位微控制器 -MCU 7KB 192 RAM 20 I/O 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(shí)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
PIC14000-04I/SO 功能描述:8位微控制器 -MCU 7KB 192 RAM 20 I/O 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(shí)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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