- 您现在的位置：买卖IC网 > PDF目录10794 > KSZ9021RLI (Micrel Inc)TXRX ETHERNET GB RGMII 64-LQFP PDF资料下载
参数资料
| 型号： | KSZ9021RLI |
| 厂商： | Micrel Inc |
| 文件页数： | 52/58页 |
| 文件大小： | 0K |
| 描述： | TXRX ETHERNET GB RGMII 64-LQFP |
| 标准包装： | 160 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 8/8 |
| 规程： | 千兆位以太网 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP 裸露焊盘 |
| 供应商设备封装： | 64-E-LQFP |
| 包装： | 托盘 |
| 其它名称： | 576-3636 KSZ9021RLI-ND |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页当前第52页第53页第54页第55页第56页第57页第58页
MCP444X/446X
DS22265A-page 56
2010 Microchip Technology Inc.
6.2.4
ADDRESSING
The address byte is the first byte received following the
START condition from the master device. The address
contains four (or more) fixed bits and (up to) three user
defined hardware address bits (pins A1 and A0). These
7-bits address the desired I2C device. The A6:A2
address bits are fixed to “01011” and the device
appends the value of following two address pins (A1
and A0).
Since there are address bits controlled by hardware
pins, there may be up to four MCP44XX devices on the
same I2C bus.
Figure 6-9 shows the slave address byte format, which
contains the seven address bits. There is also a read/
write (R/W) bit. Table 6-2 shows the fixed address for
device.
Hardware Address Pins
The hardware address bits (A1, and A0) correspond to
the logic level on the associated address pins. This
allows up to eight devices on the bus.
These pins have a weak pull-up enabled when the VDD
< VBOR. The weak pull-up utilizes the “smart” pull-up
technology and exhibits the same characteristics as the
High-voltage tolerant I/O structure.
The state of the A0 address pin is latch on POR/BOR.
This is required since High Voltage commands force
this pin (HVC/A0) to the VIHH level.
FIGURE 6-9:
Slave Address Bits in the
I2C Control Byte.
TABLE 6-2:
DEVICE SLAVE ADDRESSES
6.2.5
SLOPE CONTROL
The MCP44XX implements slope control on the SDA
output.
As the device transitions from HS mode to FS mode,
the slope control parameter will change from the HS
specification to the FS specification.
For Fast (FS) and High-Speed (HS) modes, the device
has a spike suppression and a Schmidt trigger at SDA
and SCL inputs.
Device
Address
Comment
MCP44XX ‘0101 1’b + A1:A0
Supports up to 4
devices. (Note 1)
Note 1:
A0 is used for High-Voltage commands
(HVC/A0) and the value is latched at
POR/BOR.
S A6A5 A4 A3A2 A1 A0 R/W
A/A
Start
bit
Slave Address
R/W bit
A bit (controlled by slave device)
R/W
= 0 = write
R/W
= 1 = read
A
= 0 = Slave Device Acknowledges byte
A
= 1 = Slave Device does not Acknowledge byte
“0” “1” “0” “1”
See Table 6-2
“1”
相关PDF资料 |
PDF描述 |
|---|---|
| VI-J4T-MY-S | CONVERTER MOD DC/DC 6.5V 50W |
| VI-2NR-MX | CONVERTER MOD DC/DC 7.5V 75W |
| LTC1348CSW#PBF | IC TXRX 3.3V/5V RS232 28-SOIC |
| VI-2NP-MX | CONVERTER MOD DC/DC 13.8V 75W |
| VI-J4R-MY-S | CONVERTER MOD DC/DC 7.5V 50W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| KSZ9021RN | 功能描述:以太网 IC Gigabit Ethernet Transceiver with RGMII, 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 |
| KSZ9021RN-EVAL | 功能描述:以太网开发工具 Gigabit Ethernet Transceiver with RGMII - 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: |
| KSZ9021RNI | 功能描述:以太网 IC Gigabit Ethernet Transceiver with RGMII, I-Temp 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 |
| KSZ9031MNX | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:The KSZ9031MNX is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Ethernet physicallayer transceiver for transmission and reception of data on standard CAT-5 unshielded twisted pair (UTP) cable. |
| KSZ9031MNXCA | 功能描述:以太网 IC 1-Port Gigabit Ethernet PHY 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 |
发布紧急采购，3分钟左右您将得到回复。