MAX14503 Description
The MAX14500 MAX14503 have two modes of operation: Pass Thru and Card Reader. In pass thru, the SD and USB signals pass through the MAX14500 MAX14503 without modification, appearing like the device is not present.
MAX14503 Key Features
- USB 2.0 Hi-Speed and Full-Speed pliant
- SDHC Card Support
- Internal Hi-Speed USB SD Card Reader Eases Host µP Overhead
- On-Chip Termination and Pullup Resistors
- Internal SD Switches Allow For Multiplexing Two SD Cards on a Single-Microprocessor SD Port
- Acmodates Clock Input Frequencies 26MHz, 19.2MHz, 13MHz, and 12MHz
- Internal Clock Squarer for Low-Amplitude TCXO Signals
- No Power-Supply Sequencing Required
- patible with +1.8V to +3.3V I/O Host Microprocessor
- Simple Control Mode Requires Only a Single GPIO