MAX14502AETL+ Maxim Integrated Products, MAX14502AETL+ Datasheet - Page 36

• Manufacturer Part Number: MAX14502AETL+
• Description: IC CARD READER USB-SD 40-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Smart Card Interface ICr

Specifications of MAX14502AETL+

• Applications: USB
• Interface: I²C
• Voltage - Supply: 1.8 V ~ 3.3 V
• Package / Case: 40-TQFN Exposed Pad
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Hi-Speed USB-to-SD Card
Readers with Bypass
36
Test Register (0x0E)
Test Register
FWP: Firmware Portal (0x0F)
Firmware Portal
IRQ1: Interrupt Request Register 1 (0x10)
RFU
USBFS
USBSR
VTM
VSD
VBUS
BSY
SDSTAT
IRQ2: Interrupt Request Register 2 (0x11)
Firmware Update
RFU
STATUS1: Status Register 1 (0x12)
RFU
USBFS
USBSR
VTM
VSD
VBUS
BSY
______________________________________________________________________________________
FIELD NAME
WRITE
READ
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
BITS
[7:0]
[6:0]
—
7
6
5
4
3
2
1
0
7
7
6
5
4
3
2
1
RESET
0x00
0x00
Do not write to this register
Contact factory. Do not write to this register.
Reserved for future use
0 = no change in USB full-speed mode status
1 = change in USB full-speed mode status
0 = no change in USB suspend/resume status
1 = change in USB suspend/resume status
0 = no change in V
1 = change in V
0 = no change in V
1 = change in V
0 = no change in VBUS detector status
1 = change in VBUS detector status
0 = no change in BUSY status
1 = change in BUSY status
0 = no change in SD card present status
1 = change in SD card present status
Contact factory
Reserved for future use
Reserved for future use
0 = no connection or Hi-Speed connection
1 = full-speed connection
0 = USB resume
1 = USB suspend
0 = no voltage
1 = V
0 = no voltage
1 = V
0 = no voltage
1 = VBUS supply present
0 = not busy
1 = busy
TM
SD
supply present
supply present
TM
SD
TM
SD
detector status
detector status
DESCRIPTION
detector status
detector status
Register Map (continued)
Reader mode
Reader mode
Reader mode
Reader mode
Reader mode
WAKEUP = 1
WAKEUP = 1
WAKEUP = 1
WAKEUP = 1
WAKEUP = 1
WAKEUP = 1
WAKEUP = 1
WAKEUP = 1
Enter Card
Enter Card
Enter Card
Enter Card
Enter Card
download
VALID
WHEN
Code
—
—
—
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