mc68hc908bd48 Freescale Semiconductor, Inc, mc68hc908bd48 Datasheet - Page 164

• Manufacturer Part Number: mc68hc908bd48
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Universal Serial Bus Module (USB)
13.3 Features
13.4 I/O Pins
Data Sheet
164
Generic Pin Names:
USB
D+
D–
Features of the USB (universal serial bus) module include the following:
The USB module uses two I/O pins, shared with standard port I/O pins.
The full name of the USB I/O pins are listed in
pin name appear in the text that follows.
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Table 13-1. Pin Name Conventions
Integrated 3.3-volt regulator with 3.3-volt output pin
Integrated USB transceiver supporting low-speed functions
USB data control logic
– Packet decoding/generation
– CRC (cyclic redundancy check) generation and checking
– NRZI (non-return-to zero inserted) encoding/decoding
– Bit-stuffing
USB reset support
Control endpoint 0 and interrupt endpoints 1 and 2
Two 8-byte transmit buffers
One 8-byte receive buffer
Suspend and resume operations
– Remote wakeup support
USB generated interrupts
– Transaction interrupt driven
– Resume interrupt
– End-of-pack (EOP) interrupt
STALL, NAK, and ACK handshake generation
Universal Serial Bus Module (USB)
Full MCU Pin Names:
PTD0/D+
PTD1/D–
USBD+E bit in PDCR ($0049)
USBD–E bit in PDCR ($0049)
USB Function By:
Pin Selected for
Table
MC68HC908BD48
Freescale Semiconductor
13-1. The generic
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Rev. 2.1