mc68hc912bc32 Freescale Semiconductor, Inc, mc68hc912bc32 Datasheet - Page 252
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mc68hc912bc32
Manufacturer Part Number
mc68hc912bc32
Description
M68hc12 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC912BC32.pdf
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16.7.1 msCAN12 Sleep Mode
The CPU can request the msCAN12 to enter this low-power mode by asserting the SLPRQ bit in the
module configuration register. See
252
msCAN12 Controller
Power-down
Sleep
Soft reset
Normal
1. X means don’t care.
msCAN
Mode
OR MSCAN12
MCU
Table 16-2. msCAN12 versus CPU Operating Modes
MSCAN12 SLEEPING
Figure 16-6. Sleep Request/Acknowledge Cycle
SLPRQ = 1
SLPAK = 1
M68HC12B Family Data Sheet, Rev. 9.1
Figure
CSWAI = X
SFTRES = X
SLPAK = X
Stop
16-6.
MSCAN12 RUNNING
(1)
msCAN12
SLPRQ = 0
SLPAK = 0
SFTRES = X
SFTRES = 0
SFTRES = 1
SFTRES = 0
CPU Mode
CSWAI = 1
SLPAK = X
CSWAI = 0
CSWAI = 0
CSWAI = 0
SLPAK = 1
SLPAK = 0
SLPAK = 0
Wait
SLEEP REQUEST
SLPRQ = 1
SLPAK = 0
MCU
SFTRES = 0
SFTRES = 1
SFTRES = 0
CSWAI = X
CSWAI = X
CSWAI = X
SLPAK = 1
SLPAK = 0
SLPAK = 0
Run
Freescale Semiconductor
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