參數(shù)資料
型號(hào): M37920F8CHP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 129/155頁
文件大?。?/td> 1274K
代理商: M37920F8CHP
75
M37920F8CGP, M37920F8CHP, M37920FCCGP
M37920FCCHP, M37920FGCGP, M37920FGCHP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
MITSUBISHI MICROCOMPUTERS
Fig. 68 Bit configuration of DMAi control register
7
6
543
2
1
0
DMA0 control register
DMA1 control register
DMA2 control register
DMA3 control register
DMA request source select bits
0 0 0 0 : Do not select.
0 0 0 1 : External source (DMAREQi)
0 0 1 0 : Software DMA source
0 0 1 1 : Timer A0
0 1 0 0 : Timer A1
0 1 0 1 : Timer A2
0 1 1 0 : Timer A3
0 1 1 1 : Timer A4
1 0 0 0 : Timer B0
1 0 0 1 : Timer B1
1 0 1 0 : Timer B2
1 0 1 1 : UART0 receive
1 1 0 0 : UART0 transmit
1 1 0 1 : UART1 receive
1 1 1 0 : UART1 transmit
1 1 1 1 : A-D conversion
Address
CE16
DE16
EE16
FE16
Edge sense/Level sense select bit (Note 1)
(Used when both of the external source and burst transfer mode are selected.)
0 : Edge sense (Rising edge)
1 : Level sense (“L” level)
DMAACKi validity bit (Note 2)
0 : Invalid. Pin DMAACKi functions as a programmable I/O port pin.
1 : Valid. Functions as pin DMAACKi are valid.
Notes 1: Be sure to fix this bit to “0” in any of the following cases:
When the external source is selected by using bits 0 to 3
In the cycle steal transfer mode
Level sense can be selected only when both of the external source and burst transfer mode are selected.
2: DMA3 is not equipped with the DMAACK output function. For the DMA3 control register, be sure to clear this bit to “0”.
The value is “0” at reading.
00
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