參數(shù)資料
型號: TC1130
廠商: INFINEON TECHNOLOGIES AG
英文描述: 32-Bit Single-Chip Microcontroller
中文描述: 32位單片機
文件頁數(shù): 32/113頁
文件大?。?/td> 1505K
代理商: TC1130
TC1130
Data Sheet
28
V0.3, 2003-09
Universal Serial Bus Interface (USB)
Figure 8
shows a global view of the functional blocks of the Universal Serial Bus
Interface (USB).
The USB module is further supplied by clock control, interrupt control, address decoding,
and port control logic. One DMA request can be generated by USB module.
Figure 8
General Block Diagram of the USB
The USB handles all transactions between the serial USB bus and the internal (parallel)
bus of the microcontroller. The USB module includes several units which are required to
support data handling with the USB bus: the on-chip USB transceiver (optionally), the
flexible USB buffer block with a 32 bit wide RAM, the buffer control unit with sub modules
for USB and CPU memory access control, the UDC_IF device interface for USB protocol
handling, the microcontroller interface unit (MCU) with the USB specific special function
registers and the interrupt generation unit. A clock generation unit provides the clock
signal for the USB module for full speed and low speed USB operation.
Interrupt
Control
USB
Module
(Kernel)
Clock
Control
Address
Decoder
f
USB
To DMA
ISR0
ISR1
ISR2
Port 4
Control
P4.4 /VPO
P4.0 /USBCLK
VPOB
VMOB
VMIB
USBOEB
USBCLKB
RCVIB
VPIB
P4.1 /RCVI
P4.2 /VPI
P4.3 /VMI
P4.5 /VMO
P4.6 /USBOE
ISR3
ISR4
ISR5
ISR6
ISR7
D+
D-
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