參數(shù)資料
型號(hào): M30240S9-XXXFP
廠商: Mitsubishi Electric Corporation
英文描述: 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述: 單片16位CMOS微機(jī)
文件頁(yè)數(shù): 56/142頁(yè)
文件大小: 1637K
代理商: M30240S9-XXXFP
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Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
Universal Serial Bus
2.18.4.10 USB DMAx Request Registers
The USB DMAx Request Registers, shown in Figure 1.41 and Figure 1.42, are used to select which USB End-
point x FIFO read/write requests are selected as the DMAC channel 0 or channel 1 request source. The USB
DMA0 (DMA1) Request Register should have only one bit set at any given time. When multiple bits are set,
no request is selected.
Figure 1.41:
USB DMA0 Request Register
Figure 1.42:
USB DMA1 Request Register
2.18.4.11 USB Endpoint Enable Register
The USB Endpoint Enable Register, shown in Figure 1.43, is used to enable/disable an individual endpoint.
Endpoint 0 is always enabled and cannot be disabled by firmware. All endpoints are enabled after reset.
Figure 1.43:
USB Endpoint Enable Register
USB DMA0 Request Register
Symbol
USBSAR0
Address
0309
16
When reset
00
16
Bit name
Bit symbol
b7
b6
b5
b4
b3
b2
b1
b0
Function
W
R
DMA0R0
DMA0R1
DMA0R2
DMA0R3
DMA0R4
DMA0R5
DMA0R6
DMA0R7
Endpoint 1 IN FIFO write request selection bit
Endpoint 2 IN FIFO write request selection bit
Endpoint 3 IN FIFO write request selection bit
Endpoint 4 IN FIFO write request selection bit
Endpoint 1 OUT FIFO read request selection bit
Endpoint 2 OUT FIFO read request selection bit
Endpoint 3 OUT FIFO read request selection bit
Endpoint 4 OUT FIFO read request selection bit
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 : Not selected
1 : Selected
USB DMA1 Request Register
Symbol
USBSAR1
Address
030A
16
When reset
00
16
Bit name
Bit symbol
b7
b6
b5
b4
b3
b2
b1
b0
Function
W
R
DMA1R0
DMA1R1
DMA1R2
DMA1R3
DMA1R4
DMA1R5
DMA1R6
DMA1R7
Endpoint 1 IN FIFO write request selection bit
Endpoint 2 IN FIFO write request selection bit
Endpoint 3 IN FIFO write request selection bit
Endpoint 4 IN FIFO write request selection bit
Endpoint 1 OUT FIFO read request selection bit
Endpoint 2 OUT FIFO read request selection bit
Endpoint 3 OUT FIFO read request selection bit
Endpoint 4 OUT FIFO read request selection bit
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 : Not selected
1 : Selected
USB Endpoint Enable Register
Symbol
USBEPEN
Address
030B
16
When reset
FF
16
Bit name
Bit symbol
b7
b6
b5
b4
b3
b2
b1
b0
Function
W
R
EP1_OUT
EP1_IN
EP2_OUT
EP2_IN
EP3_OUT
EP3_IN
EP4_OUT
EP4_IN
Endpoint 1OUT FIFO Enable bit
Endpoint 1 IN FIFO Enable bit
Endpoint 2OUT FIFO Enable bit
Endpoint 2 IN FIFO Enable bit
Endpoint 3 OUT FIFO Enable bit
Endpoint 3 IN FIFO Enable bit
Endpoint 4 OUT FIFO Enable bit
Endpoint 4 IN FIFO Enable bit
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 : Disabled
1 : Enabled
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