mc68hc908ld64 Freescale Semiconductor, Inc, mc68hc908ld64 Datasheet - Page 188

• Manufacturer Part Number: mc68hc908ld64
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Universal Serial Bus Module (USB)
14.2 Introduction
14.3 Features
Data Sheet
188
This section describes the Universal Serial Bus (USB) module. This
MC68HC908LD64’s USB module supports both embedded full-speed
device and hub functions with one upstream port and four downstream
ports.
Features of the USB module include the following:
Features of the hub function include the following:
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Integrated USB transceiver supporting both full-speed and
low-speed functions
USB data control logic
– Packet decoding/generation
– CRC generation and checking
– NRZI encoding/decoding
– Bit-stuffing
USB reset support
Suspend and resume operations
Remote wakeup support
STALL, NAK, and ACK handshake generation
Hub control endpoint 0
– 8-byte transmit buffer
– 8-byte receive buffer
Hub interrupt endpoint 1
– 1-byte transmit buffer
USB interrupts
– Transaction interrupt driven
– Start of frame interrupt
Universal Serial Bus Module (USB)
MC68HC908LD64
Freescale Semiconductor
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Rev. 3.0