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MC908JB12DWE Datasheet, PDF (163/332 Pages) Freescale Semiconductor, Inc – MC68HC908JB16 Technical Data | |||
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Universal Serial Bus Module (USB)
11.3 Features
Features of the USB module include:
⢠Universal Serial Bus Specification 2.0 low-speed functions
⢠1.5 Mbps data rate
⢠On-chip 3.3V regulator
⢠Endpoint 0 with 8-byte transmit buffer and 8-byte receive buffer
⢠Endpoint 1 with 8-byte transmit buffer
⢠Endpoint 2 with 8-byte transmit buffer and 8-byte receive buffer
⢠USB data control logic:
â Control endpoint 0 and interrupt endpoints 1 and 2
â Packet decoding/generation
â CRC generation and checking
â NRZI (Non-Return-to Zero Inserted) encoding/decoding
â Bit-stuffing
⢠USB reset options:
â Internal MCU reset generation
â CPU interrupt request generation
⢠Suspend and resume operations, with remote wakeup support
⢠USB-generated interrupts:
â Transaction interrupt driven
â Resume interrupt
â End-of-packet interrupt
â USB reset
⢠STALL, NAK, and ACK handshake generation
MC68HC908JB16 â Rev. 1.1
Freescale Semiconductor
Universal Serial Bus Module (USB)
Technical Data
163
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