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): 149/150頁
文件大?。?/td> 871K
代理商: CD1865
Datasheet
149
interrupt and polled code sequences, compari-
son 42
interrupt service
modem 92
receive 91
transmit 92
interrupts
fair share 11
Good Data 11
vectored 11
L
listing of
Channel registers 95, 97
Global registers 94, 96
Indexed Indirect registers 94, 97
timing information 128
M
modem interrupt service 92
modem pins as input/output 35
modem signal change 35
modes
Failure 44
Flow Control 19
Idle 84
Indexed Addressing 18
Mixed 26, 37, 40, 45
Polled 93
Motorola addressing 51
Motorola bus interface 51
multiple CD1865s without cascading 44
O
Off-Limit registers 84
operating conditions 127
operations
I/O basic 90
interrupt response 90
ordering information 146
P
package specifications 145
pin information
pin assignments 17
pin diagram 16
polled code sequences and interrupt, compari-
son 42
polled interface 40
Prescaler 86
priorities and fair share 31
programming examples 88
programming registers 83
Q
quick reference register map 94
R
receive interrupt service 91
receive service requests
receive exception 33
receive Good Data 32
receive timer operation 34
receiving data 88
register description 94
register map 94
register summary 96
registers, programming
Channel 83
Global 83
Indexed Indirect 83
Off-Limit 84
S
service acknowledge
hardware-based 36
software-based 36
service request logic, implementation 28
service requests
acknowledging 44
implementing 35
interrupt operation 26
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