CD1865 Datasheet, PDF (147/150 Pages) Intel Corporation – Intelligent Eight-Channel Communications Controller

Index
A
abbreviations 13
absolute maximum ratings 127
access duty cycle 84
acknowledging service requests 44
acronyms 13
addressing
Intel versus Motorola 51
unclocked versus clocked bus 52
B
bit rate constants
CLK = 15 MHz 50
CLK = 20 MHz 50
CLK = 25 MHz 49
CLK = 33 MHz 49
bit rate options 47, 48
bus interface
Intel versus Motorola 51
unclocked versus clocked bus 52
C
cascading service 43
CD1865 initialization 84, 88
CD18XX product family
CD180 15
CD1864 15
CD1865 15
Channel registers
Channel Command 112
Channel Control Status 118
Channel Option Register 1 116
Channel Option Register 2 116
Channel Option Register 3 117
Modem Change 123
Modem Change Option Register 1 124
Modem Change Option Register 2 125
Modem Signal Value 125
Modem Signal Value Data Terminal
Ready 126
Modem Signal Value Request-to-Send
126
Receive Bit Rate Period Registers (High/
Low) 120
Receive Time-Out Period 120
Receiver Bit 119
Service Request Enable 112
Special Character Register 1 121
Special Character Register 2 122
Special Character Register 3 122
Special Character Register 4 123
Transmit Bit Rate Period Registers (High/
Low) 121
Channel registers, listing of 95, 97
clock options
1Â¥ 48
2Â¥ 47
clock oscillator, external 47
clocked bus interface 52, 54, 128
code sequence
interrupt 43
polled 42
D
daisy chaining 19, 27, 44, 54
device selection considerations 15
E
electrical characteristics
AC 128
DC 127
external clock oscillator 47
Datasheet
147