參數(shù)資料
型號: PIC14000-04I/SP
廠商: Microchip Technology
文件頁數(shù): 69/153頁
文件大小: 0K
描述: IC MCU OTP 4KX14 A/D 28DIP
產(chǎn)品培訓模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標準包裝: 15
系列: PIC® 14
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
連通性: I²C
外圍設備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 7KB(4K x 14)
程序存儲器類型: OTP
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 V
數(shù)據(jù)轉(zhuǎn)換器: 斜率 A/D
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-DIP(0.300",7.62mm)
包裝: 管件
配用: ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
ICE2000-ND - EMULATOR MPLAB-ICE 2000 POD
PIC14000
DS40122B-page 22
Preliminary
1996 Microchip Technology Inc.
4.2.2.6
PCON REGISTER
The Power Control (PCON) register status contains
2 ag 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:
Low Voltage Detect Flag
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.
Reserved. Bit 7 is reserved. This bit should be
R/W
U
r
W: Writable
R:
Readable
U:
Unimplemented,
read as ‘0’
Register: PCON
Address:
8Eh
POR value:
0000_000xb
POR:
Power on Reset Flag
1 = A power on reset condition has not occurred.
0 = A power on reset condition has occurred.
Software must set this bit after a
power-on-reset condition has occurred.
Reset must be due to some other source
(WDT, MCLR).
programmed as ‘0’ .
Unimplemented. Read as ‘0’
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