国产精品成人VA在线观看-国产乱妇乱子视频在播放-国产日韩精品一区二区三区在线-国模精品一区二区三区

參數資料
型號: W921E840
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-Bit Microcontroller(4位的微控制器)
中文描述: 4-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 27/64頁
文件大小: 603K
代理商: W921E840
W921E840
Publication Publication Release Date: August 1997
- 27 - Revision A1
ù
D/A Converter MSB Data Register
DAMSB register: (address = 018H, default data = 0H)
b3
b2
b1
b0
6.10 Comparator
There are 4-channel inputs to the comparator negative (can be programmed to positive) terminal, but
only one channel will be active at a time. The control register is shown below.
ANIMUX register: (address = 019H, default data = 0H)
b3
b2
b1
b0
b0
0
1
0
1
b1
0
0
1
1
ANI0
ANI1
ANI2
ANI3
Enable
Reserved
Reserved
COMPTR register: (address = 01AH, default data = 4H)
b3
b2
b1
b0
0: Vpos voltage < Vneg voltage
1: Vpos voltage >= Vneg volatge
0: Compare stop
1: Compare start
(Read Only)
1: Vref = P5.3/DAOUT
0: Vref = P5.2/Vref
0: Vneg = Vref; Vpos = Vani
1: Vneg = Vani; Vpos = Vref
When the COMPTR register bit0 is set by software, the comparator starts and the bit2 of the
COMPTR register will be set to "1" initially. The comparing result will be stored in the bit2 of the
COMPTR register and will keep this value until the bit0 of the COMPTR register is set again. The only
way to disable the comparator is to reset the bit0 of the COMPTR register using the software control.
The initial value of the COMPTR bit2 is "1", the falling edge of COMPTR bit2 will cause the
comparator interrupt to become active if the enable flag of the comparator interrupt is set.
The bit3 of the COMPTR register controls the source of Input voltage reference (Vref). The input
reference voltage (Vref) comes from external pin (P5.2/Vref) or D/A converter analog signal output
(P5.3/DAOUT).
相關PDF資料
PDF描述
W921E880 4-Bit Microcontroller(4位的微控制器)
W921F840 4-Bit Microcontroller(4位的微控制器)
W9310 Direct Sequence Spread Spectrum Transceiver(直接序列擴展頻譜收發器)
W9320 ADPCM Codec(ADPCM編解碼器)
W9321 ADPCM Codec(ADPCM編解碼器)
相關代理商/技術參數
參數描述
W921E840A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E843A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E880 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E880A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W925C240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller