參數(shù)資料
型號: Z8S18006PSC
廠商: ZiLOG, Inc.
元件分類: 微處理器
英文描述: CAP 1000PF 100V 5% NP0(C0G) DIP-2 TUBE
中文描述: 強(qiáng)化Z180微處理器
文件頁數(shù): 52/70頁
文件大?。?/td> 387K
代理商: Z8S18006PSC
Z80180/Z8S180/Z8L180
Enhanced Z180 Microprocessor
Zilog
1-52
P R E L I M I N A R Y
DS971800401
DMA BYTE COUNT REGISTER CHANNEL 0
(BCRO: I/O Address = 26H to 27H) specifies the number of bytes to be transferred. This register contains 16 bits and may
specify up to 64 KB transfers. When one byte is transferred, the register is decremented by one. If “n” bytes should be
transferred, “n” must be stored before the DMA operation.
Note:
All DMA Count Register channels are undefined during reset.
DMA Byte Count Register Channel 0L
Mnemonic BCR0L
Address 26
DMA Byte Count Register Channel 0H
Mnemonic BCR0H
Address 27
DMA Byte Count Register Channel 1L
Mnemonic BCR1L
Address 2E
DMA Byte Count Register Channel 0H
Mnemonic BCR1H
Address 2F
Figure 61. DMA Byte Count Register 0L
Figure 62. DMA Byte Count Register 0H
Figure 63. DMA Byte Count Register 1L
Figure 64. DMA Byte Count Register 0H
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