參數(shù)資料
型號(hào): CD1865
廠商: Intel Corp.
英文描述: Intelligent Eight-Channel Communications Controller
中文描述: 智能八通道通信控制器
文件頁數(shù): 1/150頁
文件大小: 871K
代理商: CD1865
CD1865
Intelligent Eight-Channel Communications Controller
Datasheet
Product Features
I
Eight full-duplex asynchronous channels
supporting data rates up to 115.2 kbps
Note: To support this data rate, the
specified system clock frequency is
required.
I
Register-based interrupt acknowledges
eliminate need for separate interrupt
acknowledge signals
I
Automatic prioritizing scheme allows
device to respond to an interrupt
acknowledge with the highest internal
interrupt pending (host-programmable)
I
Sophisticated interrupt schemes
—Vectored interrupts
—Fair Share interrupts
—Good Data
interrupts for improved
throughput
—Simultaneous interrupt requests for three
classes of interrupts: Rx, Tx, and
modem state changes
I
Independent baud-rate generators for each
channel/direction
I
Software compatibility with the CD180 and
CD1864 devices
I
Generation and detection of special
characters
I
Automatic flow control
—In-band (Xon, Xoff generation, and
detection)
—Out-of-band (DTR/DSR or RTS/CTS)
I
On-chip FIFO — 8 bytes each for Rx, Tx,
and Status
I
Line break detection and generation
I
Multiple-chip daisy-chain cascading
feature
I
Odd, even, forced, or no parity
I
modem/general-purpose I/O signals per
channel
I
System clock up to 66 MHz (x2), 33MHz
(x1)
I
CMOS technology in 100-pin MQFP
As of May 18, 2001, this document replaces the Basis
Communications Corp. document
CL-CD1865 — Intelligent 8-Channel Communications Controller
. May 2001
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