參數(shù)資料
型號： PIC18F4553
廠商： Microchip Technology Inc.
英文描述： 28/40/44-Pin High-Performance, Enhanced Flash, USB Microcontrollers with 12-Bit A/D and nanoWatt Technology
中文描述： 28/40/44-Pin高性能，增強型閃存，USB微控制器與12位A / D和納瓦技術(shù)
文件頁數(shù)： 23/46頁
文件大小： 607K
代理商： PIC18F4553
2007 Microchip Technology Inc.
Preliminary
DS39887B-page 21
PIC18F2458/2553/4458/4553
REGISTER 2-3:
ADCON2: A/D CONTROL REGISTER 2
R/W-0
ADFM
U-0
—
R/W-0
ACQT2
R/W-0
ACQT1
R/W-0
ACQT0
R/W-0
ADCS2
R/W-0
ADCS1
R/W-0
ADCS0
bit 7
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
ADFM:
A/D Result Format Select bit
1
= Right justified
0
= Left justified
Unimplemented:
Read as ‘
0
’
ACQT2:ACQT0:
A/D Acquisition Time Select bits
111
= 20 T
AD
110
= 16 T
AD
101
= 12 T
AD
100
= 8 T
AD
011
= 6 T
AD
010
= 4 T
AD
001
= 2 T
AD
000
= 0 T
AD
(1)
ADCS2:ADCS0:
A/D Conversion Clock Select bits
111
= F
RC
(clock derived from A/D RC oscillator)
(1)
110
= F
OSC
/64
101
= F
OSC
/16
100
= F
OSC
/4
011
= F
RC
(clock derived from A/D RC oscillator)
(1)
010
= F
OSC
/32
001
= F
OSC
/8
000
= F
OSC
/2
bit 6
bit 5-3
bit 2-0
Note 1:
If the A/D F
RC
clock source is selected, a delay of one T
CY
(instruction cycle) is added before the A/D
clock starts. This allows the
SLEEP
instruction to be executed before starting a conversion.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC18F4553-I/ML 功能描述:8位微控制器 -MCU 32KB FLSH 2048 RAM FSUSB 2.0 12B ADC 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
PIC18F4553-I/P 功能描述:8位微控制器 -MCU 32KB FLSH 2048 RAM FSUSB 2.0 12B ADC 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
PIC18F4553-I/P 制造商:Microchip Technology Inc 功能描述:8-Bit Microcontroller IC
PIC18F4553-I/PT 功能描述:8位微控制器 -MCU 32KB FLSH 2048 RAM FSUSB 2.0 12B ADC 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
PIC18F4553T-I/ML 功能描述:8位微控制器 -MCU 32KB FLSH 2048 RAM FSUSB 2.0 12B ADC 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
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