MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 252

• Manufacturer Part Number: MC68HC912B32VFU8
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC912B32VFU8

• Cpu Family: HC12
• Device Core Size: 16b
• Frequency (max): 8MHz
• Interface Type: SCI/SPI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• Total Internal Ram Size: 1KB
• # I/os (max): 63
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

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
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