參數(shù)資料
型號(hào): MAX14502AETL+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 30/41頁(yè)
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(biāo)準(zhǔn)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
36
______________________________________________________________________________________
Register Map (continued)
FIELD NAME
READ
WRITE
BITS
RESET
DESCRIPTION
VALID
WHEN
Test Register (0x0E)
Test Register
R/W
0x00
Do not write to this register
FWP: Firmware Portal (0x0F)
Firmware Portal
R/W
[7:0]
0x00
Contact factory. Do not write to this register.
IRQ1: Interrupt Request Register 1 (0x10)
RFU
R
7
Reserved for future use
USBFS
R
6
0 = no change in USB full-speed mode status
1 = change in USB full-speed mode status
Enter Card
Reader mode
USBSR
R
5
0 = no change in USB suspend/resume status
1 = change in USB suspend/resume status
Enter Card
Reader mode
VTM
R
4
0 = no change in VTM detector status
1 = change in VTM detector status
WAKEUP = 1
VSD
R
3
0 = no change in VSD detector status
1 = change in VSD detector status
WAKEUP = 1
VBUS
R
2
0 = no change in VBUS detector status
1 = change in VBUS detector status
WAKEUP = 1
BSY
R
1
0 = no change in BUSY status
1 = change in BUSY status
WAKEUP = 1
SDSTAT
R
0
0 = no change in SD card present status
1 = change in SD card present status
Enter Card
Reader mode
IRQ2: Interrupt Request Register 2 (0x11)
Firmware Update
R
7
Contact factory
Code
download
RFU
R
[6:0]
Reserved for future use
STATUS1: Status Register 1 (0x12)
RFU
R
7
Reserved for future use
USBFS
R
6
0 = no connection or Hi-Speed connection
1 = full-speed connection
Enter Card
Reader mode
USBSR
R
5
0 = USB resume
1 = USB suspend
Enter Card
Reader mode
VTM
R
4
0 = no voltage
1 = VTM supply present
WAKEUP = 1
VSD
R
3
0 = no voltage
1 = VSD supply present
WAKEUP = 1
VBUS
R
2
0 = no voltage
1 = VBUS supply present
WAKEUP = 1
BSY
R
1
0 = not busy
1 = busy
WAKEUP = 1
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