參數(shù)資料
型號(hào): IS82C237
廠商: INTERSIL CORP
元件分類: DMA控制器
英文描述: CMOS High Performance Programmable DMA Controller
中文描述: 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 14/25頁
文件大?。?/td> 158K
代理商: IS82C237
4-161
82C237
CHANNEL
REGISTER
OPERATION
SIGNALS
FIRST/LAST
FLIP-FLOP
STATE
DATA
BUS
DB0-DB7
CS
IOR
IOW
A3
A2
A1
A0
0
Base and Current Address
Write
0
1
0
0
0
0
0
0
A0-A7
0
1
0
0
0
0
0
1
A8-A15
Current Address
Read
0
0
1
0
0
0
0
0
A0-A7
0
0
1
0
0
0
0
1
A8-A15
Base and Current Word
Count
Write
0
1
0
0
0
0
1
0
W0-W7
0
1
0
0
0
0
1
1
W8-W15
Current Word Count
Read
0
0
1
0
0
0
1
0
W0-W7
0
0
1
0
0
0
1
1
W8-W15
1
Base and Current Address
Write
0
1
0
0
0
1
0
0
A0-A7
0
1
0
0
0
1
0
1
A8-A15
Current Address
Read
0
0
1
0
0
1
0
0
A0-A7
0
0
1
0
0
1
0
1
A8-A15
Base and Current Word
Count
Write
0
1
0
0
0
1
1
0
W0-W7
0
1
0
0
0
1
1
1
W8-W15
Current Word Count
Read
0
0
1
0
0
1
1
0
W0-W7
0
0
1
0
0
1
1
1
W8-W15
2
Base and Current Address
Write
0
1
0
0
1
0
0
0
A0-A7
0
1
0
0
1
0
0
1
A8-A15
Current Address
Read
0
0
1
0
1
0
0
0
A0-A7
0
0
1
0
1
0
0
1
A8-A15
Base and Current Word
Count
Write
0
1
0
0
1
0
1
0
W0-W7
0
1
0
0
1
0
1
1
W8-W15
Current Word Count
Read
0
0
1
0
1
0
1
0
W0-W7
0
0
1
0
1
0
1
1
W8-W15
3
Base and Current Address
Write
0
1
0
0
1
1
0
0
A0-A7
0
1
0
0
1
1
0
1
A8-A15
Current Address
Read
0
0
1
0
1
1
0
0
A0-A7
0
0
1
0
1
1
0
1
A8-A15
Base and Current Word
Count
Write
0
1
0
0
1
1
1
0
W0-W7
0
1
0
0
1
1
1
1
W8-W15
Current Word Count
Read
0
0
1
0
1
1
1
0
W0-W7
0
0
1
0
1
1
1
1
W8-W15
FIGURE 6. WORD COUNT AND ADDRESS REGISTER COMMAND CODES
相關(guān)PDF資料
PDF描述
IS82C59A-12 CMOS Priority Interrupt Controller
IS82C59A CMOS Priority Interrupt Controller
IS82C59A-5 CMOS Priority Interrupt Controller
IS82C86H CMOS Octal Bus Transceiver
IS82C86H-5 CMOS Octal Bus Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IS82C237-12 制造商:Rochester Electronics LLC 功能描述:
IS82C37A 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 44 PLCC -40+85C 5 0V 8 0MHZ DMA CNTRLR RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
IS82C37A-12 制造商:HARRIS 制造商全稱:HARRIS 功能描述:CMOS High Performance Programmable DMA Controller
IS82C37A-5 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI DMA CONTROLLER IC -4 0+85C 5.0V 5.0MHZ DM RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
IS82C50A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UART