15-20
MPC860 PowerQUICC UserÕs Manual
MOTOROLA
Part IV. Hardware Interface
A state diagram describing transitions between the various low-power modes is shown in
Figure 15-13.
Figure 15-13.
MPC860
Low-Power Mode Flowchart
Normal
High Mode
LPM=00,
[CSRC=0
Normal Low
LPM=00, CSRC=1
Doze Low
LPM=01, CSRC=1
Doze High
LPM=01, CSRC=0
Sleep Mode
LPM=10
Deep-Sleep Mode
LPM=11
Power-Down Mode
(C Interrupt) + CSRC
CPM_ACT * MSRPOW * Interrupt Cleared * CSRC
CPM Interrupt * SCCR[PRQEN]
CPM_ACT * CSRC
CPM_ACT
Software-Initiated
1
Software-Initiated
1
Software-Initiated
1
Software-Initiated
1
Software-Initiated
1
IRQx + RTC/PIT/TB/DEC
Interrupt
Wake-Up: 500 OSCCLK
Clocks
Wake-Up: 3-4 GCLKx
Clocks
1
Software is active only in normal high/low modes.
Software-Initiated
1
(RTC/PIT/TB/DEC Interrupt
HRESET
Wake-Up: 3-4 VCOOUT
Clocks
TEXPS=1
Software-init
2
: LPM=11 and TEXPS=0
2
Software initiation of power-down mode requires that the TEXP output be used by external logic to gate main power (VDDH, VDDL,
by HRESET)
Software-Initiated
1
Followed
or CPM_ACT * (CSRC=1)
or
or
(CSRC=1) * Interrupt]
(HRESET Only)
Legend:
CPM_ACT = (CPM Activity) * (SCCR[CRQEN] = 1)
MSRPOW = (MSR[POW] = 0) * (SCCR[PRQEN] = 1)
or Power Fail
Power Failure
IRQx + RTC/PIT/TB/DEC
Interrupt
and VDDSYN).
Summary of Contents for MPC860 PowerQUICC
Page 3: ...MPC860UM AD 07 98 REV 1 MPC860 PowerQUICC ª UserÕs Manual ...
Page 36: ...xxxvi MPC860 PowerQUICC UserÕs Manual MOTOROLA CONTENTS Paragraph Number Title Page Number ...
Page 78: ...I iv MPC860 PowerQUICC UserÕs Manual MOTOROLA Part I Overview ...
Page 88: ...1 10 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part I Overview ...
Page 114: ...3 16 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part I Overview ...
Page 226: ...8 32 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part II PowerPC Microprocessor Module ...
Page 262: ...9 36 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part II PowerPC Microprocessor Module ...
Page 274: ...III iv MPC860 PowerQUICC UserÕs Manual MOTOROLA Part III Configuration ...
Page 320: ...12 12 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part III Configuration ...
Page 325: ...MOTOROLA Part IV Hardware Interface IV v Part IV Hardware Interface ...
Page 326: ...IV vi MPC860 PowerQUICC UserÕs Manual MOTOROLA Part IV Hardware Interface ...
Page 352: ...13 26 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part IV Hardware Interface ...
Page 394: ...14 42 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part IV Hardware Interface ...
Page 426: ...15 32 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part IV Hardware Interface ...
Page 530: ...17 26 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part IV Hardware Interface ...
Page 632: ...21 44 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part V The Communications Processor Module ...
Page 660: ...22 28 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part V The Communications Processor Module ...
Page 708: ...24 24 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part V The Communications Processor Module ...
Page 748: ...27 20 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part V The Communications Processor Module ...
Page 846: ...31 20 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part V The Communications Processor Module ...
Page 914: ...35 12 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part V The Communications Processor Module ...
Page 948: ...36 34 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part V The Communications Processor Module ...
Page 998: ...37 48 MPC860 PowerQUICC UserÕs Manual MOTOROLA Part VI Debug and Test ...
Page 1016: ...A 10 MPC860 PowerQUICC UserÕs Manual MOTOROLA Appendixes ...
Page 1024: ...B 8 MPC860 PowerQUICC UserÕs Manual MOTOROLA Appendixes ...
Page 1030: ...C 6 MPC860 PowerQUICC UserÕs Manual MOTOROLA Appendixes ...
Page 1086: ...Glossary 12 MPC860 PowerQUICC UserÕs Manual MOTOROLA ...
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