
Datasheet
7
Intelligent Eight-Channel Communications Controller
—
CD1865
37
38
Unclocked Bus Interface Read Cycle, Motorola
-Style Handshake...................139
Unclocked Bus Interface Service Acknowledgment Cycle,
Motorola
-Style Handshake...............................................................................140
Unclocked Bus Interface Write Cycle,
Motorola
-Style Handshake...............................................................................141
Unclocked Bus Interface Read Cycle, Intel
-Style Handshake..........................142
Unclocked Bus Interface Service Acknowledgment Cycle,
Intel
-Style Handshake ......................................................................................143
Unclocked Bus Interface Write Cycle,
Intel
-Style Handshake144
39
40
41
42
Tables
1
2
3
4
5
6
7
8
9
10
11
CD18XX Product Family .....................................................................................15
Differences Between the CD1865 and CD1864..................................................15
State Machine Logic............................................................................................29
Service Request Methods...................................................................................36
Bit Rate Constants, CLK = 33 MHz.....................................................................49
Bit Rate Constants, CLK = 25 MHz.....................................................................49
Bit Rate Constants, CLK = 20 MHz.....................................................................50
Bit Rate Constants, CLK = 15 MHz.....................................................................50
Register Summary...............................................................................................96
Clocked Timings................................................................................................129
Unclocked Timings............................................................................................137