MAX14502AETL+ Maxim Integrated Products, MAX14502AETL+ Datasheet - Page 35

• 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

BUSY
SDSTAT
IE2: Interrupt Enable Register 2 (0x05)
FWUPD
RFU
USBVIDH: USB Vendor ID High Byte (0x06)
VID 1
VID 2
USBPIDH: USB Product ID High Byte (0x08)
PID 1
USBPIDL: USB Product ID Low Byte (0x09)
PID 2
Test Register (0x0A)
Test Register
Test Register (0x0B)
Test Register
Test Register (0x0C)
Test Register
Test Register (0x0D)
Test Register
USBVIDL: USB Vendor ID Low Byte (0x07)
FIELD NAME
______________________________________________________________________________________
WRITE
READ
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BITS
[6:0]
[7:0]
[7:0]
[7:0]
[7:0]
—
—
—
—
1
0
7
0000000 Reserved for future use
RESET
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0
0
0
BUSY state change:
0 = disable contribution to INT
1 = enable contribution to INT
SD card status change:
0 = disable contribution to INT
1 = enable contribution to INT
Note: Reflects currently selected card in Card Reader
mode
Firmware update status change:
0 = disable contribution to INT
1 = enable contribution to INT
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.
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.
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.
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.
Do not write to this register
Do not write to this register
Do not write to this register
Do not write to this register
Hi-Speed USB-to-SD Card
Readers with Bypass
DESCRIPTION
Register Map (continued)
Reader mode
Reader mode
Reader mode
Reader mode
Enter Card
Enter Card
Enter Card
Enter Card
Powered
Powered
Powered
VALID
WHEN
—
—
—
—
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