- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄16602 > XR20M1280L40-0B-EB (Exar Corporation)EVAL BOARD FOR XR20M1280L40 PDF資料下載
參數(shù)資料
| 型號(hào)： | XR20M1280L40-0B-EB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 62/63頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR XR20M1280L40 |
| 產(chǎn)品培訓(xùn)模塊： | XR21V141x Full-Speed USB UART Family UARTs with Integrated Level Shifters |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，UART |
| 已用 IC / 零件： | XR20M1280L40 |
| 已供物品： | 板 |
| 其它名稱： | 1016-1627 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁當(dāng)前第62頁第63頁
XR20M1280
8
I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
REV. 1.0.0
1.1.2
I2C-bus Addressing
There could be many devices on the I2C-bus. To distinguish itself from the other devices on the I2C-bus, there
are eight possible slave addresses that can be selected for the XR20M1280 using the A1 and A0 address
lines. Table 1 below shows the different addresses that can be selected. Note that there are two different
ways to select each I2C address.
TABLE 1: XR20M1280 I C ADDRESS MAP
C ADDRESS
VCC
0x60 (0110 000X)
VCC
GND
0x62 (0110 001X)
VCC
SCL
0x64 (0110 010X)
VCC
SDA
0x66 (0110 011X)
GND
VCC
0x68 (0110 100X)
GND
0x6A (0110 101X)
GND
SCL
0x6C (0110 110X)
GND
SDA
0x6E (0110 111X)
SCL
VCC
0x60 (0110 000X)
SCL
GND
0x62 (0110 001X)
SCL
0x64 (0110 010X)
SCL
SDA
0x66 (0110 011X)
SDA
VCC
0x68 (0110 100X)
SDA
GND
0x6A (0110 101X)
SDA
SCL
0x6C (0110 110X)
SDA
0x6E (0110 111X)
An I2C sub-address is sent by the I2C master following the slave address. The sub-address contains the
UART register address being accessed. A read or write transaction is determined by bit-0 of the slave
address. If bit-0 is’0’, then it is a write transaction. If bit-0 is ’1’, then it is a read transaction. If bit-0 is a logic
1, then it is a read transaction. Table 2 below lists the functions of the bits in the I2C sub-address.
TABLE 2: I C SUB-ADDRESS (REGISTER ADDRESS)
BIT
FUNCTION
7:6
Reserved
5:3
UART Internal Register Address A2:A0
2:1
UART Channel Select
’00’ = UART Channel, other values are reserved
0
Reserved
After the last read or write transaction, the I2C-bus master will set the SCL signal back to its idle state (HIGH).
2
A1
A0
I2
2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RBB24DHLN | CONN EDGECARD 48POS DIP .050 SLD |
| RBB24DHLD | CONN EDGECARD 48POS DIP .050 SLD |
| EBM25DRUI | CONN EDGECARD 50POS DIP .156 SLD |
| HMC07DRYS | CONN EDGECARD 14POS DIP .100 SLD |
| HCC12DRYS | CONN EDGECARD 24POS DIP .100 SLD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR20V2170 | 制造商:EXAR 制造商全稱:EXAR 功能描述:I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER |
| XR20V2170IL40 | 制造商:EXAR 制造商全稱:EXAR 功能描述:I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER |
| XR20V2170IL40-F | 功能描述:UART 接口集成電路 Transceiver RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR20V2170L40-0A-EB | 功能描述:界面開發(fā)工具 Supports V2170 40pin QFN,I2C Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR20V2170L40-0B-EB | 功能描述:UART 接口集成電路 Supports V2170 40pin QFN,SPI Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。