參數(shù)資料
型號： MAX14502AETL+T
廠商： Maxim Integrated Products
文件頁數(shù)： 11/41頁
文件大?。?/td> 0K
描述： IC CARD READER USB-SD 40-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
應(yīng)用： USB
接口： I²C，2 線串口
電源電壓： 1.8 V ~ 3.3 V
封裝/外殼： 40-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 40-TQFN-EP（5x5）
包裝： 帶卷 (TR)
安裝類型： 表面貼裝
MAX14500–MAX14503
Hi-Speed USB-to-SD Card
Readers with Bypass
______________________________________________________________________________________
19
REGISTER NAME
REGISTER
ADDRESS
(hex)
POWER-UP VALUE
(hex)
POWER-UP DEFAULT SETTINGS
Control Register
(CONTROL)
0x00
0x18
SD2SW = 1, SD switch 2 is closed
SD1SW = 1, SD switch 1 is closed
MODE[1:0] = 00, Card Reader mode is not active
WAKEUP = 0, shutdown
Configuration
Register 1
(CONFIG1)
0x01
0x00
SD2ONEBIT = 0, SD2 bus in 4-bit data mode
SD1ONEBIT = 0, SD1 bus in 4-bit data mode
INTPULSE = 0, INT stays asserted until status register is read
INTACTHI = 0, INT asserts active low
Configuration
Register 2
(CONFIG2)
0x02
0x00
CLKSOURCE = 00000, default clock input
FORCEFS = 0, USB Hi-Speed
Configuration
Register 3
(CONFIG3)
0x03
0x00
SD2MAXCLK = 0000, default clock (base SD clock)
SD1MAXCLK = 0000, default clock (base SD clock)
Interrupt Enable
Register 1
(IE1)
0x04
0x00
USBFS = 0, disable INT for full-speed status change
USBSR = 0, disable INT for suspend/resume status change
VTM = 0, disable INT for VTM status change
VSD = 0, disable INT for VSD status change
KVBUS = 0, disable INT for VBUS status change
BSY = 0, disable INT for BUSY status change
SDSTAT = 0, disable INT for SD card status change
Interrupt Enable
Register 2
(IE2)
0x05
0x00
FWUPD = 0, disable INT for firmware update status change
USB Vendor ID
High Byte
(USBVIDH)
0x06
0x00
If VID = 0x0000, 0x06BA is used during USB enumeration,
VID high byte = 0x06
USB Vendor ID
Low Byte
(USBVIDL)
0x07
0x00
If VID = 0x0000, 0x06BA is used during USB enumeration,
VID low byte = 0xBA
USB Product ID
High Byte
(USBPIDH)
0x08
0x00
If PID = 0x0000, 0x38A4 is used during USB enumeration,
PID high byte = 0x38
USB Product ID
Low Byte
(USBPIDL)
0x09
0x00
If PID = 0x0000, 0x38A4 is used during USB enumeration.
PID low byte = 0xA4
Table 1. Power-Up Default Mini Register Map for Configuration Registers
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX14502EVKIT+ 功能描述:界面開發(fā)工具 MAX14502 Eval Kit RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
MAX14503AEWN+ 制造商:Maxim Integrated Products 功能描述:
MAX14503ETL+ 制造商:Maxim Integrated Products 功能描述:
MAX14504EWC+T 功能描述:模擬開關(guān) IC Dual SPDT Neg Rail w/ +/-VCC Cap RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX14505AEWC+ 制造商:Maxim Integrated Products 功能描述:DUAL SPDT NEGATIVE RAIL ANALOG SWIT - Rail/Tube
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