參數(shù)資料
型號(hào)： M30218MFCFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, QFP-100
文件頁數(shù)： 106/161頁
文件大?。?/td> 2043K
代理商： M30218MFCFP
49
Under
development
Tentative Specifications REV.A
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30218 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
DMAC
Figure EC-2. DMAC-related registers (1)
DMAi request cause select register
Symbol
Address
When reset
DMiSL(i=0,1)
03B816,03BA16
0016
Bit name
Function
R
Bit symbol
W
b7
b6
b5
b4
b3
b2
b1
b0
DMA request cause
select bit
DSEL0
DSEL1
DSEL2
DSEL3
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
DMAi control register
Symbol
Address
When reset
DMiCON(i=0,1)
002C16, 003C16
00000X002
Bit name
Function
Bit symbol
R
W
b7
b6
b5
b4
b3
b2
b1
b0
Transfer unit bit select bit
0 : 16 bits
1 : 8 bits
DMBIT
DMASL
DMAS
DMAE
Repeat transfer mode
select bit
0 : Single transfer
1 : Repeat transfer
DMA request bit (Note 1)
0 : DMA not requested
1 : DMA requested
0 : Disabled
1 : Enabled
0 : Fixed
1 : Forward
DMA enable bit
Source address direction
select bit (Note 3)
Destination address
direction select bit (Note 3)
0 : Fixed
1 : Forward
DSD
DAD
Note 1: DMA request can be cleared by resetting the bit.
Note 2: This bit can only be set to “0”.
Note 3: Source address direction select bit and destination address direction select bit
cannot be set to “1” simultaneously.
b3 b2 b1 b0
0 0 0 0 : Falling edge of INT0 / INT1
pin (Note)
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 0 1 : Timer A3
0 1 1 0 : Timer A4
0 1 1 1 : Timer B0
1 0 0 0 : Timer B1
1 0 0 1 : Timer B2
1 0 1 0 : UART0 transmit
1 0 1 1 : UART0 receive
1 1 0 0 : UART1 transmit
1 1 0 1 : UART1 receive
1 1 1 0 : A-D conversion
1 1 1 1 : Inhibited
Note: Address 03B816 is for INT0; address 03BA16 is for INT1.
(Note 2)
Nothing is assigned. In an attempt to write to these bits, write “0”.
The value, if read, turns out to be “0”.
Nothing is assigned. In an attempt to write to these bits, write “0”.
The value, if read, turns out to be “0”.
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