MAX14502AETL+ Maxim Integrated Products, MAX14502AETL+ Datasheet - Page 19

• 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

Table 1. Power-Up Default Mini Register Map for Configuration Registers
REGISTER NAME
Control Register
Interrupt Enable
Interrupt Enable
USB Product ID
USB Product ID
USB Vendor ID
USB Vendor ID
Configuration
Configuration
Configuration
(CONTROL)
(CONFIG1)
(CONFIG2)
(CONFIG3)
(USBVIDH)
(USBVIDL)
(USBPIDH)
(USBPIDL)
Register 1
Register 2
Register 3
Register 1
Register 2
High Byte
High Byte
Low Byte
Low Byte
(IE1)
(IE2)
______________________________________________________________________________________
REGISTER
ADDRESS
(hex)
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
POWER-UP VALUE
(hex)
0x18
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Hi-Speed USB-to-SD Card
SD2SW = 1, SD switch 2 is closed
SD1SW = 1, SD switch 1 is closed
MODE[1:0] = 00, Card Reader mode is not active
WAKEUP = 0, shutdown
SD2ONEBIT = 0, SD2 bus in 4-bit data mode
SD1ONEBIT = 0, SD1 bus in 4-bit data mode
INTPULSE = 0, INT stays asserted until status register is read
INTACTHI = 0, INT asserts active low
CLKSOURCE = 00000, default clock input
FORCEFS = 0, USB Hi-Speed
SD2MAXCLK = 0000, default clock (base SD clock)
SD1MAXCLK = 0000, default clock (base SD clock)
USBFS = 0, disable INT for full-speed status change
USBSR = 0, disable INT for suspend/resume status change
VTM = 0, disable INT for V
VSD = 0, disable INT for V
KVBUS = 0, disable INT for VBUS status change
BSY = 0, disable INT for BUSY status change
SDSTAT = 0, disable INT for SD card status change
FWUPD = 0, disable INT for firmware update status change
If VID = 0x0000, 0x06BA is used during USB enumeration,
VID high byte = 0x06
If VID = 0x0000, 0x06BA is used during USB enumeration,
VID low byte = 0xBA
If PID = 0x0000, 0x38A4 is used during USB enumeration,
PID high byte = 0x38
If PID = 0x0000, 0x38A4 is used during USB enumeration.
PID low byte = 0xA4
Readers with Bypass
POWER-UP DEFAULT SETTINGS
SD
TM
status change
status change
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