Usb Mini-Host Block Diagram - Fujitsu MB96300 series Hardware Manual

CHAPTER 30 USB Mini-host
30.3

USB Mini-host Block Diagram

Block diagram of USB Mini-host.
■ Block Diagram of USB Mini-host
CPU I/F
Explanation of block
CPUI/F
Buffer
CPUI/F
USB bus reset control part
RX control part
TX control part:
Host TX control part:
TX
RX
TXENL
HTX
HRX
HTXENL
770
Figure 30.3-1 Block Diagram of USB Mini-host
Buffer
UDC I/F
USB bus reset
control unit
: Interface circuit block with CPU
: Buffer and buffer control circuit block
: Interface circuit block with CPU
: USB bus reset and connection control block
: Receive data serial to parallel conversion circuit and RX control circuit block
: Transmission data parallel to serial conversion circuit
and TX control circuit block for the USB Function
: Transmission data parallel to serial conversion circuit
and TX control circuit block for MiniHOST
: Transmission data signal of function
: Received data signal of function
: Function transmission and receive direction signal
: Mini-HOST transmit data signal
: Mini-HOST receive data signal
: Mini-HOST transmission and receive direction signal
Selector
Receive
control unit
TX
TXENL
Transmit
control unit
HTX
Host receive
HTXENL
control unit
RX
HRX