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參數(shù)資料
| 型號(hào)： | MAX3301EETJ+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/38頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB TXRX OTG 32-TQFN-EP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 60 |
| 類型： | 收發(fā)器 |
| 規(guī)程： | USB 2.0 |
| 電源電壓： | 3 V ~ 4.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-TQFN-EP（5x5） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1406 (CN2011-ZH PDF) |
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MAX3301E/MAX3302E
USB On-the-Go Transceivers and Charge Pumps
16
______________________________________________________________________________________
2-Wire I2C-Compatible Serial Interface
A register file controls the various internal switches and
operating modes of the MAX3301E/MAX3302E through
a simple 2-wire interface operating at clock rates up to
400kHz. This interface supports data bursting, where
multiple data phases can follow a single address phase.
UART Mode
Set uart_en (bit 6 in control register 1) to 1 to place the
MAX3301E/MAX3302E in UART mode. D+ transfers
data to DAT_VP and SE0_VM transfers data to D- in
UART mode.
General-Purpose Buffer Mode
Set gp_en (bit 7 in special-function register 1) and
dat_se0 (bit 2 in control register 1) to 1, set uart_en (bit 6
in control register 1) to 0, and drive
OE/INT low to place
the MAX3301E/MAX3302E in general-purpose buffer
mode. Control the direction of data transfer with dmi-
nus_dir and dplus_dir (bits 3 and 4 of special-function
register 1, see Tables 2 and 14).
Serial Addressing
The MAX3301E/MAX3302E operate as a slave device
that sends and receives control and status signals
through an I2C-compatible 2-wire interface. The inter-
face uses a serial data line (SDA) and a serial clock line
(SCL) to achieve bidirectional communication between
master(s) and slave(s). A master (typically a microcon-
troller) initiates all data transfers to and from the
MAX3301E/MAX3302E and generates the SCL clock
that synchronizes the data transfer (Figure 13).
The MAX3301E/MAX3302E SDA line operates as both an
input and as an open-drain output. SDA requires a
pullup resistor, typically 4.7kΩ. The MAX3301E/
MAX3302E SCL line only operates as an input. SCL
requires a pullup resistor if there are multiple masters on
the 2-wire interface, or if the master in a single-master
system has an open-drain SCL output.
Each transmission consists of a start condition (see
Figure 14) sent by a master device, the MAX3301E/
MAX3302E 7-bit slave address (determined by the state
of ADD), plus an R/
W bit (see Figure 15), a register
address byte, one or more data bytes, and a stop condi-
tion (see Figure 14).
dplus_dir
dminus_ dir
DIRECTION OF DATA
TRANSFER
00
DAT_VP
→ D+
SE0_VM
→ D-
01
DAT_VP
→ D+
SE0_VM
← D-
10
DAT_VP
← D+
SE0_VM
→ D-
11
DAT_VP
← D+
SE0_VM
← D-
Table 2. Setting the Direction of Data
Transfer in General-Purpose Buffer Mode
SDA
SCL
tHD: STA
tSU: DAT
tHD: DAT
tSU: STA
tHD: STA
tSU: STO
tBUF
tLOW
tHIGH
tR
tF
START
CONDITION
REPEATED START
CONDITION
STOP
CONDITION
START
CONDITION
Figure 13. 2-Wire Serial-Interface Timing Details
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3301EETJ+ | 功能描述:USB 接口集成電路 USB On-the-Go Tcvr & Charge Pump RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MAX3301EETJ+GH7 | 功能描述:USB 接口集成電路 USB On-the-Go Transceiver and Charge Pump RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MAX3301EETJ+T | 功能描述:USB 接口集成電路 USB On-the-Go Tcvr & Charge Pump RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MAX3301EETJ+TGH7 | 功能描述:USB 接口集成電路 USB On-the-Go Transceivers and Charge Pumps RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MAX3301EETJ-T | 功能描述:USB 接口集成電路 RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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