參數(shù)資料
型號(hào)： PIC16C73B
廠商： Microchip Technology Inc.
英文描述： 8-Bit CMOS Microcontrollers with A/D Converter(帶A/D轉(zhuǎn)換器的8位CMOS微控制器)
中文描述： 8位CMOS微控制器與A / D轉(zhuǎn)換器（帶的A / D轉(zhuǎn)換器的8位的CMOS微控制器）
文件頁(yè)數(shù)： 85/184頁(yè)
文件大?。?/td> 2230K
代理商： PIC16C73B
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2000 Microchip Technology Inc.
DS30605C-page 85
PIC16C63A/65B/73B/74B
13.0
SPECIAL FEATURES OF THE
CPU
What sets a microcontroller apart from other proces-
sors are special circuits to deal with the needs of real-
time applications. The PIC16CXX family has a host of
such features intended to maximize system reliability,
minimize cost through elimination of external compo-
nents, provide power saving operating modes and offer
code protection. These are:
Oscillator selection
RESET
- Power-on Reset (POR)
- Power-up Timer (PWRT)
- Oscillator Start-up Timer (OST)
- Brown-out Reset (BOR)
Interrupts
Watchdog Timer (WDT)
SLEEP
Code protection
ID locations
In-Circuit Serial Programming (ICSP)
The PIC16CXX has a Watchdog Timer which can be
shut off only through configuration bits. It runs off its
own RC oscillator for added reliability. There are two
timers that offer necessary delays on power-up. One is
the Oscillator Start-up Timer (OST), intended to keep the
chip in RESET until the crystal oscillator is stable. The
other is the Power-up Timer (PWRT), which provides a
fixed delay of 72 ms (nominal) on power-up only and is
designed to keep the part in RESET, while the power
supply stabilizes. With these two timers on-chip, most
applications need no external RESET circuitry.
SLEEP mode is designed to offer a very low current
power-down mode. The user can wake-up from SLEEP
through external RESET, WDT wake-up or through an
interrupt.
Several oscillator options are also made available to
allow the part to fit the application. The RC oscillator
option saves system cost, while the LP crystal option
saves power. A set of configuration bits are used to
select various options.
13.1
Configuration Bits
The configuration bits can be programmed (read as '0')
or left unprogrammed (read as '1') to select various
device configurations. These bits are mapped in pro-
gram memory location 2007h.
The user will note that address 2007h is beyond the
user program memory space, and can be accessed
only during programming.
REGISTER 13-1:
CONFIGURATION WORD (CONFIG 2007h)
CP1
bit 13
CP0
CP1
CP0
CP1
CP0
—
BODEN
CP1
CP0
PWRTE
WDTE FOSC1 FOSC0
bit 0
bits 13-8,
5-4
CP1:CP0
: Code Protection bits
(2)
11
= Code protection off
10
= Upper half of program memory code protected
01
= Upper 3/4th of program memory code protected
00
= All memory is code protected
Unimplemented
: Read as '1'
BODEN
: Brown-out Reset Enable bit
(1)
1
= BOR enabled
0
= BOR disabled
PWRTE
: Power-up Timer Enable bit
(1)
1
= PWRT disabled
0
= PWRT enabled
WDTE
: Watchdog Timer Enable bit
1
= WDT enabled
0
= WDT disabled
FOSC1:FOSC0
: Oscillator Selection bits
11
= RC oscillator
10
= HS oscillator
01
= XT oscillator
00
= LP oscillator
bit 7
bit 6
bit 3
bit 2
bit 1-0
Note 1:
Enabling Brown-out Reset automatically enables Power-up Timer (PWRT), regardless of the value of
PWRTE.
2:
All of the CP1:CP0 pairs have to be given the same value to enable the code protection scheme listed.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16C73B/JW 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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(chǔ)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
PIC16C73B-04/SO 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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(chǔ)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
PIC16C73B-04/SO 制造商:Microchip Technology Inc 功能描述:8BIT CMOS MCU SMD 16C73 SOIC28
PIC16C73B-04/SP 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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(chǔ)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
PIC16C73B-04/SP 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 16C73 SDIL28
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