mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 128

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

SOFTWARE *
NOTE: “&” DENOTES “AND” OPERATION, “|” DENOTES “OR” OPERATION, AND CPM_ACT DENOTES CPM ACTIVITY.
** TEXPS RECEIVES THE ZERO VALUE BY WRITING A ONE TO IT. WRITING A ZERO HAS NO EFFECT ON TEXPS.
*
*** YOU CAN SWITCH FROM NORMAL HIGH TO NORMAL LOW ONLY IF THE CONDITIONS TO AN INTERRUPT ARE CLEARED.
SOFTWARE IS ACTIVE ONLY IN NORMAL HIGH/LOW MODES.
CPM_ACT
Figure 5-18. MPC823 Low-Power Mode Flowchart
LPM = 01, CSRC = 0 OR 1
NORMAL LOW MODE
POWER-DOWN MODE
LPM = 00, CSRC = 1
DOZE HIGH MODE
LPM = 11, CSR C = 0,
LPM = 01, CSRC = 1
LPM = 10, CSRC = 0
DEEP-SLEEP MODE
LPM = 11, CSRC = 0,
DOZE LOW MODE
SLEEP MODE
Freescale Semiconductor, Inc.
TEXPS = 0**
TEXPS = 1
For More Information On This Product,
CPM_ACT & CSRC
MPC823 REFERENCE MANUAL
Go to: www.freescale.com
CRQEN & CPM_ACT | PRQEN & (POW | INTERRUPT) | CSRC
(PRQEN | POW & INTERRUPT) & CRQEN | CPM_ACT) & CSRC***
WAKE-UP: 500 OSCM CLOCKS
WAKE-UP OR RTC/PIT/TB/DEC
RTC/PIT/TB/DEC INTERRUPT
EXTERNAL HARD RESET OR
EXTERNAL HARD RESET
WAKE-UP: MAXIMUM 2-4 GCLK1
FOLLOWED BY AN
WAKE-UP: 3-4 VCOOUT
INTERRUPT
INTERRUPT
HARD RESET
INTERRUPT
CLOCKS
CLOCKS
Clocks and Power Control
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