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MPC850 Integrated Communications Microprocessor Users Manual
MOTOROLA
CONTENTS
Paragraph
Number
Title
Page
Number
16.4.4
16.4.5
16.4.6
16.5
PCMCIA Interface General Control Register B (PGCRB)..........................16-11
PCMCIA Base Registers 0D7 (PBR0DPBR7) ..............................................16-12
PCMCIA Option Register 0D7 (POR0DPOR7)............................................16-12
PCMCIA Controller Timing Examples............................................................16-15
Chapter 17
Communications Processor Module and CPM Timers
17.1
17.2
17.2.1
17.2.2
17.2.2.1
17.2.2.2
17.2.2.3
17.2.2.4
17.2.2.5
17.2.3
17.2.3.1
17.2.3.2
17.2.3.3
17.2.3.4
17.2.3.5
17.2.3.6
17.2.4
Features...............................................................................................................17-1
CPM General-Purpose Timers............................................................................17-4
Features...........................................................................................................17-5
CPM Timer Operation....................................................................................17-5
Timer Clock Source....................................................................................17-6
Timer Reference Count..............................................................................17-6
Timer Capture.............................................................................................17-6
Timer Gating (Timers 1 and 2 only) ..........................................................17-6
Cascaded Mode ..........................................................................................17-7
CPM Timer Register Set ................................................................................17-8
Timer Global Configuration Register (TGCR)..........................................17-8
Timer Mode Registers (TMR1DTMR4).....................................................17-9
Timer Reference Registers (TRR1DTRR4)..............................................17-10
Timer Capture Registers (TCR1DTCR4) .................................................17-10
Timer Counter Registers (TCN1DTCN4).................................................17-10
Timer Event Registers (TER1DTER4).....................................................17-11
Timer Initialization Examples......................................................................17-11
Chapter 18
Communications Processor
18.1
18.2
18.3
18.4
18.5
18.5.1
18.6
18.6.1
18.6.2
18.6.2.1
18.6.2.2
18.7
18.7.1
Features...............................................................................................................18-1
Communicating with the Core............................................................................18-2
Communicating with the Peripherals .................................................................18-2
CP Microcode Revision Number........................................................................18-3
CP Register Set and CP Commands...................................................................18-4
RISC Controller Configuration Register (RCCR)..........................................18-4
RISC Microcode Development Support Control Register (RMDS)..................18-5
CP Command Register (CPCR) .....................................................................18-6
CP Commands................................................................................................18-7
CP Command Examples.............................................................................18-9
CP Command Execution Latency ..............................................................18-9
Dual-Port RAM..................................................................................................18-9
System RAM and Microcode Packages.......................................................18-11