MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 252

• Manufacturer Part Number: MC68HC912B32CFU8
• Description: IC MCU 32K FLASH 8MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC68HC912B32CFU8

• Core Processor: CPU12
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 63
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 768 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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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