參數(shù)資料
型號: 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): 148/150頁
文件大小: 871K
代理商: CD1865
148
Datasheet
F
fair share
internal operation 31
interrupt scheme 11
priorities and 31
FIFO
access 84
Empty 35
overflow 33, 61
overrun 33, 58
pointers 27
receive 18, 19, 32, 58, 60, 61
receive data 62
receive exception 18
receive status 32, 61
status 58, 62
timer operations 60
transmit 18, 32, 35
full interrupt
type A 36, 37
type B 36, 38
functional description 18
G
Global registers
Configuration registers
Global Service Vector 102
Modem Service Match 100
Prescaler Period (High/Low) 100
Receive Service Match 101
Service Request Configuration 98
Transmit Service Match 101
Miscellaneous registers
Global Firmware Revision Code 98
Service Request/Interrupt Control regis-
ters
Channel Access 107
Global Service Channel Register 1 106
Global Service Channel Register 2 106
Global Service Channel Register 3 106
Modem Request Acknowledge 105
Receive Request Acknowledge 105
Service Request Status 103
Transmit Request Acknowledge 105
Global registers, listing of 94, 96
H
Hex address
8-bit 94
Intel 94
Motorola 94
I
I/O operations, basic 90
Indexed Indirect registers
End-of-Service Request 111
Receive Character Status 110
Receive Data 109
Receive Data Count 108
Transmit Data 111
Indexed Indirect registers, listing of 94, 97
initialization
CD1865 84, 88
channel 89
global 86, 89
service request 86
Intel addressing 51
Intel bus interface 51
interfacing examples
680X0-family processors 55
80X86-family processors 55
VME bus 55
interfacing to the host system
full interrupt
type A 36, 37
full interrupt
type B 36, 38
polled interface 40
single interrupt 36, 39
software polled 37
internal block diagram 22, 46
internal operation 20, 25
internal service acknowledge 30
internal structure
background 24
foreground 24
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