Block Diagram Of Usb Host - Fujitsu MB90335 Series Hardware Manual

CHAPTER 12 USB HOST

12.3 Block Diagram of USB HOST

12.3 Block Diagram of USB HOST
Figure 12.3-1 shows the block diagram of USB HOST.
■ UART Block Diagram of USB 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
246
Figure 12.3-1 Block Diagram of USB 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 HOST
: Transmission data signal of function
: Received data signal of function
: Function transmission and receive direction signal
: HOST transmit data signal
: HOST receive data signal
: HOST transmission and receive direction signal
FUJITSU MICROELECTRONICS LIMITED
MB90335 Series
Selector
Receive
control unit
TX
TXENL
Transmit
control unit
HTX
Host receive
HTXENL
control unit
RX
HRX
CM44-10137-6E