參數(shù)資料
型號(hào): Z8018520FSC
廠商: ZILOG INC
元件分類(lèi): 微控制器/微處理器
英文描述: SMART PERIPHERAL CONTROLLERS
中文描述: MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 48/95頁(yè)
文件大小: 484K
代理商: Z8018520FSC
48
P R E L I M I N A R Y
Z80185/Z80195
S
MART
P
ERIPHERAL
C
ONTROLLERS
DS971850301
Zilog
DMA REGISTERS
(Continued)
-
-
SM0
MMOD
-
1
1
0
R/W
0
R/W
0
0
R/W
0
R/W
1
R/W
Memory MODE Select
Addr 31H
Bit
Upon Reset
SM1
DM0
Ch 0 Source Mode 1, 0
Ch 0 Destination Mode 1, 0
DM1
DMODE
R/W
DM1, 0
00
01
10
11
Destination
M
M
M
I/O
Address
DAR0+1
DAR0-1
DAR0 Fixed
DAR0 Fixed
SM1, 0
00
01
10
11
Source
M
M
M
I/O
Address
SAR0+1
SAR0-1
SAR0 Fixed
SAR0 Fixed
0
1
Mode
Cycle Steal Mode
Burst Mode
MMOD
Figure 55. DMA Mode Registers
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