參數(shù)資料
型號: M30240EA
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 單片16位CMOS微機(jī)
文件頁數(shù): 64/142頁
文件大?。?/td> 1637K
代理商: M30240EA
1-64
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
DMAC
Figure 1.53: Block diagram of DMAC
Figure 1.54: DMAC register (1)
Data bus low-order bits
DMA latch high-order bits
DMA latch low-order bits
DMA0 source pointer SAR0(20)
DMA0 destination pointer DAR0 (20)
DMA0 forward address pointer (20)
Data bus high-order bits
Address bus
DMA1 destination pointer DAR1 (20)
DMA1 source pointer SAR1 (20)
DMA1 forward address pointer (20)
DMA0 transfer counter reload register TCR0 (16)
DMA0 transfer counter TCR0 (16)
DMA1 transfer counter reload register TCR1 (16)
DMA1 transfer counter TCR1 (16)
(addresses 0029
16
, 0028
16
)
(addresses 0039
16
, 0038
16
)
(addresses 0022
16
to 0020
16
)
(addresses 0026
16
to 0024
16
)
(addresses 0032
16
to 0030
16
)
(addresses 0036
16
to 0034
16
)
Note: Pointer is incremented by a DMA request.
DMAi request cause select register
Symbol
DMiSL (i=0,1)
Address
03B8
16,
03BA
16
When reset
00
16
Function
Bit symbol
b7
b6
b5
b4
b3
b2
b1
b0
DMA request cause
select bit
DSEL0
R
W
DSEL1
DSEL2
DSEL3
Nothing is assigned.
Software DMA
request bit
If software trigger is selected, a
DMA request is generated by
setting this bit to “1” (When read,
the value of this bit is always “0”)
DSR
b3 b2 b1 b0
0 0 0 0 : (Note1)
0 0 0 1 : Software trigger
0 0 1 0 : Timer A0
0 0 1 1 : Timer A1
0 1 0 0 : Timer A2
0 1 1 0 : Timer A4
0 1 1 1 : Timer B0
1 0 0 0 : Timer B1
1 0 1 1 : UART0 receive
1 1 0 0 : UART2 transmit
1 1 0 1 : UART2 receive
1 1 1 0 : A-D conversion
(Note 2)
Bit name
Note 1: Address 03B8
16
is for INT0, 03BA
16
is for INT1.
Note 2: Address 03B8
16
is for UART1 transmit, 03BA
16
is for UART1 receive.
Note 3: Address 03B8
16
is for USB0, 03BA
16
is for USB1.
相關(guān)PDF資料
PDF描述
M30240EC SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30240M5 SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30240M6 SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30240M7 SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30240M8 SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M30240EA-XXXFP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30240EC 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30240ECFP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:M30240 Group Specification
M30240EC-XXXFP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30240F1 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER