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参数资料
| 型号： | MAX14502AETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 29/41页 |
| 文件大小： | 0K |
| 描述： | IC CARD READER USB-SD 40-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | USB |
| 接口： | I²C，2 线串口 |
| 电源电压： | 1.8 V ~ 3.3 V |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
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MAX14500–MAX14503
Hi-Speed USB-to-SD Card
Readers with Bypass
______________________________________________________________________________________
35
FIELD NAME
READ
WRITE
BITS
RESET
DESCRIPTION
VALID
WHEN
BUSY
R/W
1
0
BUSY state change:
0 = disable contribution to INT
1 = enable contribution to INT
Powered
SDSTAT
R/W
0
SD card status change:
0 = disable contribution to INT
1 = enable contribution to INT
Note: Reflects currently selected card in Card Reader
mode
Powered
IE2: Interrupt Enable Register 2 (0x05)
FWUPD
R/W
7
0
Firmware update status change:
0 = disable contribution to INT
1 = enable contribution to INT
Powered
RFU
R/W
[6:0]
0000000
Reserved for future use
—
USBVIDH: USB Vendor ID High Byte (0x06)
VID 1
R/W
[7:0]
0x00
Bits 15–8 of USB vendor ID reported during card
reader enumeration. If this register is written, the written
value is used for USB enumeration, otherwise a default
VID of 0x06BA (Maxim Integrated Products) is used.
Enter Card
Reader mode
USBVIDL: USB Vendor ID Low Byte (0x07)
VID 2
R/W
[7:0]
0x00
Bits 7–0 of USB vendor ID reported during card reader
enumeration. If this register is written, the written value
is used for USB enumeration, otherwise a default VID of
0x06BA (Maxim Integrated Products) is used.
Enter Card
Reader mode
USBPIDH: USB Product ID High Byte (0x08)
PID 1
R/W
[7:0]
0x00
Bits 15–8 of USB product ID reported during card
reader enumeration. If this register is written, the written
value is used for USB enumeration, otherwise a default
PID of 0x38A4 is used.
Enter Card
Reader mode
USBPIDL: USB Product ID Low Byte (0x09)
PID 2
R/W
[7:0]
0x00
Bits 7–0 of USB product ID reported during card reader
enumeration. If this register is written, the written value
is used for USB enumeration, otherwise if zero, a
default PID of 0x38A4 is used.
Enter Card
Reader mode
Test Register (0x0A)
Test Register
R/W
—
0x00
Do not write to this register
—
Test Register (0x0B)
Test Register
R/W
—
0x00
Do not write to this register
—
Test Register (0x0C)
Test Register
R/W
—
0x00
Do not write to this register
—
Test Register (0x0D)
Test Register
R/W
—
0x00
Do not write to this register
—
Register Map (continued)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX14502EVKIT+ | 功能描述:界面开发工具 MAX14502 Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压: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:模拟开关 IC Dual SPDT Neg Rail w/ +/-VCC Cap RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体: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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