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PIC12(L)F1822/PIC16(L)F1823
DS41413C-page 52
2010-2012 Microchip Technology Inc.
REGISTER 4-2:
CONFIGURATION WORD 2
R/P-1/1
U-1
R/P-1/1
LVP(1)
DEBUG(2)
—
BORV
STVREN
PLLEN
bit 13
bit 8
U-1
R-1
U-1
R/P-1/1
—
Reserved
—
WRT<1:0>
bit 7
bit 0
Legend:
R = Readable bit
P = Programmable bit
U = Unimplemented bit, read as ‘1’
‘0’ = Bit is cleared
‘1’ = Bit is set
-n = Value when blank or after Bulk Erase
bit 13
LVP:
Low-Voltage Programming Enable bit(1)
1
= Low-voltage programming enabled
0
= High-voltage on MCLR must be used for programming
bit 12
DEBUG:
In-Circuit Debugger Mode bit(2)
1
= In-Circuit Debugger disabled, ICSPCLK and ICSPDAT are general purpose I/O pins
0
= In-Circuit Debugger enabled, ICSPCLK and ICSPDAT are dedicated to the debugger
bit 11
Unimplemented:
Read as ‘1’
bit 10
BORV:
Brown-out Reset Voltage Selection bit(3)
1
= Brown-out Reset voltage (Vbor), low trip point selected
0
= Brown-out Reset voltage (Vbor), high trip point selected
bit 9
STVREN:
Stack Overflow/Underflow Reset Enable bit
1
= Stack Overflow or Underflow will cause a Reset
0
= Stack Overflow or Underflow will not cause a Reset
bit 8
PLLEN:
PLL Enable bit
1
= 4xPLL enabled
0
= 4xPLL disabled
bit 7-5
Unimplemented:
Read as ‘1’
bit 4
Reserved:
This location should be programmed to a ‘1’.
bit 3-2
Unimplemented:
Read as ‘1’
bit 1-0
WRT<1:0>:
Flash Memory Self-Write Protection bits
11
= Write protection off
10
= 000h to 1FFh write-protected, 200h to 7FFh may be modified by EECON control
01
= 000h to 3FFh write-protected, 400h to 7FFh may be modified by EECON control
00
= 000h to 7FFh write-protected, no addresses may be modified by EECON control
Note
1:
The LVP bit cannot be programmed to ‘0’ when Programming mode is entered via LVP.
2:
The DEBUG bit in Configuration Word is managed automatically by device development tools including debuggers and
programmers. For normal device operation, this bit should be maintained as a '1'.
3:
See Vbor parameter for specific trip point voltages.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC16C554BIBS-F | 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH UART 16B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC16C554BIBS-S | 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH UART 16B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC16C554DB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs |
| SC16C554DBIA68 | 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH UART 16B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC16C554DBIA68,512 | 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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