MAX14500 Datasheet, PDF (35/41 Pages) Maxim Integrated Products – Hi-Speed USB-to-SD Card Readers with Bypass

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