參數(shù)資料
型號(hào)： pic12ce674
廠商： Microchip Technology Inc.
英文描述： 8-Pin, 8-Bit CMOS Microcontroller with A/D Converter(具A/D轉(zhuǎn)換器和EEPROM數(shù)據(jù)存儲(chǔ)器的8位微控制器)
中文描述： 8引腳，8位CMOS微控制器與A / D轉(zhuǎn)換器（具的A / D轉(zhuǎn)換器和EEPROM的數(shù)據(jù)存儲(chǔ)器的8位微控制器）
文件頁數(shù)： 37/112頁
文件大?。?/td> 1205K
代理商： PIC12CE674
1998 Microchip Technology Inc.
Preliminary
DS40181A-page 37
PIC12CE67X
FIGURE 8-1:
ADCON0 REGISTER (ADDRESS 1Fh)
R/W-0
ADCS1
bit7
R/W-0
ADCS0
R/W-0
r
R/W-0
CHS1
R/W-0
CHS0
R/W-0
GO/DONE
R/W-0
r
R/W-0
ADON
R =Readable bit
W =Writable bit
U =Unimplemented bit,
read as ‘0’
- n = Value at POR reset
bit0
bit 7-6:
ADCS1:ADCS0:
A/D Conversion Clock Select bits
00
= F
OSC
/2
01
= F
OSC
/8
10
= F
OSC
/32
11
= F
RC
(clock derived from an RC oscillation)
Reserved
bit 4-3:
CHS1:CHS0:
Analog Channel Select bits
00
= channel 0, (GP0/AN0)
01
= channel 1, (GP1/AN1)
10
= channel 2, (GP2/AN2)
11
= channel 3, (GP4/AN3)
bit 2:
GO/DONE:
A/D Conversion Status bit
If ADON = 1
1 = A/D conversion in progress (setting this bit starts the A/D conversion)
0 = A/D conversion not in progress (This bit is automatically cleared by hardware when the A/D conver-
sion is complete)
bit 1:
Reserved
bit 0:
ADON:
A/D On bit
1 = A/D converter module is operating
0 = A/D converter module is shutoff and consumes no operating current
bit 5:
8.0
ANALOG-TO-DIGITAL
CONVERTER (A/D) MODULE
The analog-to-digital (A/D) converter module has four
analog inputs.
The A/D allows conversion of an analog input signal to
a corresponding 8-bit digital number (refer to Applica-
tion Note AN546 for use of A/D Converter). The output
of the sample and hold is the input into the converter,
which generates the result via successive approxima-
tion. The analog reference voltage is software select-
able to either the device’s positive supply voltage (V
DD
)
or the voltage level on the GP1/AN1/V
REF
pin. The A/D
converter has a unique feature of being able to operate
while the device is in SLEEP mode.
The A/D module has three registers. These registers
are:
A/D Result Register (ADRES)
A/D Control Register 0 (ADCON0)
A/D Control Register 1 (ADCON1)
The ADCON0 register, shown in Figure 8-1, controls
the operation of the A/D module. The ADCON1 regis-
ter, shown in Figure 8-2, configures the functions of the
port pins. The port pins can be configured as analog
inputs (GP1 can also be a voltage reference) or as dig-
ital I/O.
Note:
If the port pins are configured as analog
inputs (reset condition), reading the port
(MOVF GP,W) results in reading '0's.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12CE674/JW 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 6 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
PIC12CE674-04/JM 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontroller with A/D Converter
PIC12CE674-04/JW 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
PIC12CE674-04/P 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 6 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
PIC12CE674-04/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 12CE674 DIP8
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