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| 型号： | KSZ8863FLLI |
| 厂商： | Micrel Inc |
| 文件页数： | 57/106页 |
| 文件大小： | 0K |
| 描述： | IC ETHERNET SWITCH 3PORT 48-LQFP |
| 标准包装： | 250 |
| 控制器类型： | 以太网开关控制器 |
| 接口： | MII |
| 电源电压： | 1.8V，2.5V，3.3V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 托盘 |
| 配用： | 576-3866-ND - BOARD EVALUATION FOR KSZ8863FLL |
| 其它名称： | 576-3750 |
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PIC16C72 Series
1998 Microchip Technology Inc.
Preliminary
DS39016A-page 53
9.0
ANALOG-TO-DIGITAL
CONVERTER (A/D) MODULE
The analog-to-digital (A/D) converter module has ve
inputs for the PIC16C72/R72.
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 (VDD)
or the voltage level on the RA3/AN3/VREF pin.
The A/D converter has a unique feature of being able
to operate while the device is in SLEEP mode. To oper-
ate in sleep, the A/D conversion clock must be derived
from the A/D’s internal RC oscillator.
Additional information on the A/D module is available in
the PICmicro Mid-Range MCU Reference Manual,
DS33023.
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)
A device reset forces all registers to their reset state.
This forces the A/D module to be turned off, and any
conversion is aborted.
The ADCON0 register, shown in Figure 9-1, controls
the operation of the A/D module. The ADCON1 regis-
ter, shown in Figure 9-2, congures the functions of the
port pins. The port pins can be congured as analog
inputs (RA3 can also be a voltage reference) or as dig-
ital I/O.
FIGURE 9-1:
ADCON0 REGISTER (ADDRESS 1Fh)
R/W-0
U-0
R/W-0
ADCS1 ADCS0
CHS2
CHS1
CHS0
GO/DONE
—
ADON
R = Readable bit
W = Writable bit
U = Unimplemented bit,
read as ‘0’
- n = Value at POR reset
bit7
bit0
bit 7-6:
ADCS1:ADCS0: A/D Conversion Clock Select bits
00
= FOSC/2
01
= FOSC/8
10
= FOSC/32
11
= FRC (clock derived from an internal RC oscillator)
bit 5-3: CHS2:CHS0: Analog Channel Select bits
000
= channel 0, (RA0/AN0)
001
= channel 1, (RA1/AN1)
010
= channel 2, (RA2/AN2)
011
= channel 3, (RA3/AN3)
100
= channel 4, (RA5/AN4)
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:
Unimplemented: Read as '0'
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
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相关代理商/技术参数 |
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| KSZ8863MLL | 功能描述:以太网 IC 3-Port Copper 10/100 Ethernet Switch with 1x MII Interface (Lead Free) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| KSZ8863MLL-EVAL | 功能描述:以太网开发工具 3-Port Copper 10/100 Ethernet Switch with 1x MII Interface - Evaluation Board RoHS:否 制造商:Micrel 产品:Evaluation Boards 类型:Ethernet Transceivers 工具用于评估:KSZ8873RLL 接口类型:RMII 工作电源电压: |
| KSZ8863MLLI | 功能描述:以太网 IC 3-Port Copper 10/100 Ethernet Switch w/ 1x MII Interface (Industrial Grade) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| KSZ8863RLL | 功能描述:以太网 IC 3-Port Copper 10/100 Ethernet Switch with 1x RMII Interface (Lead Free) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| KSZ8863RLL-EVAL | 功能描述:以太网开发工具 3-Port Copper 10/100 Ethernet Switch with 1x RMII Interface - Evaluation Board RoHS:否 制造商:Micrel 产品:Evaluation Boards 类型:Ethernet Transceivers 工具用于评估:KSZ8873RLL 接口类型:RMII 工作电源电压: |
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