参数资料
| 型号： | CS82C37A96 |
| 厂商： | Intersil |
| 文件页数： | 14/24页 |
| 文件大小： | 0K |
| 描述： | IC CMOS DMA CONTROLLER 44PLCC |
| 标准包装： | 500 |
| 应用： | CMOS DMA 控制器 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电流 - 电源： | 2mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-LCC（J 形引线） |
| 供应商设备封装： | 44-PLCC |
| 包装： | 带卷 (TR) |
82C37A
Figure 7 shows an application for a DMA system using the
82C37A DMA controller and the 80C286 Microprocessor.
In this application, the system clock comes from the 82C284
clock generator PCLK signal which is inverted to provide
proper READY setup and hold times to the DMA controller in
an 80C286 system. The Read and Write signals from the
DMA controller may be wired directly to the Read/Write
control signals from the 82C288 Bus Controller. The octal
latch for A8-A15 from the DMA controller ’s data bus is on the
local 80C286 address bus so that memory chip selects may
still be generated during DMA transfers. The transceiver on
A0-A7 is controlled by AEN and is not necessary, but may be
used to drive a heavily loaded system address bus during
transfers. The data bus transceivers simply isolate the DMA
controller from the local microprocessor bus and allow
programming on the upper or lower half of the data bus.
80C286
A0-A23
DECODE
CHIP SELECT
TO MEMORY/
PERIPHERALS
LATCH
A0 - A23
MEMR
TRANSCEIVER
SYSTEM
BUS
MEMORY
MEMW
MEMCS
D0-D15
D0 - D15
READY
CLK
HLD
HLDA
I/O
DEVICE
IOR
IOW
82C288
IORC
IOWC
IOR
IOW
LATCH
STB
OE
TRANS-
CEIVER
TRANS-
CEIVER
TRANSCEIVER
T/ R OE
AEN
DREQ
CS
DACK
MRDC
MWTC
CLK
MEMR
MEMW
D0-D7
V C C
82C284
AEN
EOP
D0-D7
A0-A7
CLK
PCLK
READY
ADSTB
HRQ
HLDA
CLK
READY
82C37A
DREQ 0-3
IOR
IOW
MEMR
MEMW
DACK 0-3
IOR
IOW
MEMR
MEMW
TO CORRESPONDING
82C288 SIGNALS AND
MEMORY/PERIPHERALS
FIGURE 7. 80C286 DMA APPLICATION
14
FN2967.3
October 25, 2011
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| D-150-0095 | CONN SPLICE BUTT BLUE/YELLOW |
| D-150-0181 | CONN SPLICE BUTT 12-14AWG YLW |
| D-150-0214 | CONN SPLICE BUTT 12-16AWG BLACK |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CS82C37AB6009 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CS82C37AS2455 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CS82C37AZ | 功能描述:外围驱动器与原件 - PCI PERIPH DMA CNTRLR 5V 8MHZ 44PLCC RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| CS82C50A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:UART |
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