參數(shù)資料
型號: PIC16F873
廠商: Microchip Technology, Inc.
元件分類: 8位微控制器
英文描述: Enhanced FLASH/EEPROM 8-Bit Microcontroller With A/D Module
中文描述: 帶A/D模塊的增強(qiáng)型閃存/EEPROM 8位微控制器(驅(qū)動/吸收電流高,工作電壓2.5-5.5V的微控制器)
文件頁數(shù): 80/170頁
文件大?。?/td> 4191K
代理商: PIC16F873
PIC16F62X
DS40300C-page 78
Preliminary
2003 Microchip Technology Inc.
FIGURE 12-9:
ASYNCHRONOUS RECEPTION WITH ADDRESS DETECT
FIGURE 12-10:
ASYNCHRONOUS RECEPTION WITH ADDRESS BYTE FIRST
FIGURE 12-11:
ASYNCHRONOUS RECEPTION WITH ADDRESS BYTE FIRST FOLLOWED BY
VALID DATA BYTE
START
BIT
BIT1
BIT0
BIT8
BIT0
STOP
BIT
START
BIT
BIT8
STOP
BIT
RB1/RX/DT (PIN)
RCV BUFFER REG
RCV SHIFT REG
READ RCV
BUFFER REG
RCREG
RCIF
(INTERRUPT FLAG)
WORD 1
RCREG
BIT8 = 0, DATA BYTE
BIT8 = 1, ADDRESS BYTE
1:
ADEN = 1
(ADDRESS MATCH
ENABLE)
'1'
'1'
Note
This timing diagram shows a data byte followed by an address byte. The data byte is not read into the RCREG
(Receive Buffer) because ADEN = 1 and Bit 8 = 0.
START
BIT
BIT1
BIT0
BIT8
BIT0
STOP
BIT
START
BIT
BIT8
STOP
BIT
RB1/RX/DT (PIN)
REG
RCV BUFFER REG
RCV SHIFT
READ RCV
BUFFER REG
RCREG
RCIF
(INTERRUPT FLAG)
WORD 1
RCREG
BIT8 = 1, ADDRESS BYTE
BIT8 = 0, DATA BYTE
ADEN = 1
(ADDRESS MATCH
ENABLE)
'1'
'1'
Note
1:
This timing diagram shows an address byte followed by an data byte. The data byte is not read into the RCREG
(receive buffer) because ADEN was not updated (still = 1) and Bit 8 = 0.
START
BIT
BIT1
BIT0
BIT8
BIT0
STOP
BIT
START
BIT
BIT8
STOP
BIT
RB1/RX/DT (PIN)
REG
RCV BUFFER REG
RCV SHIFT
READ RCV
BUFFER REG
RCREG
RCIF
(INTERRUPT FLAG)
WORD 2
RCREG
BIT8 = 1, ADDRESS BYTE
BIT8 = 0, DATA BYTE
ADEN
(ADDRESS MATCH
ENABLE)
WORD 1
RCREG
Note
1:
This timing diagram shows an address byte followed by an data byte. The data byte is read into the RCREG
(Receive Buffer) because ADEN was updated after an address match, and was cleared to a ‘0’, so the contents of
the Receive Shift Register (RSR) are read into the Receive Buffer regardless of the value of Bit 8.
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參數(shù)描述
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PIC16F873-04/SP 制造商:Microchip Technology Inc 功能描述:IC 8BIT FLASH MCU 16F873 SDIL28
PIC16F873-04E/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