MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 115

• 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

Freescale Semiconductor
OSCILLATOR
OSCILLATOR
T1 CLOCK
T2 CLOCK
T3 CLOCK
T4 CLOCK
Notes:
T1 CLOCK
T2 CLOCK
T3 CLOCK
T4 CLOCK
E CLOCK
P CLOCK
E CLOCK
P CLOCK
E CLOCK
P CLOCK
(GBT)
(GBT)
1. Driven by slow clock divider in wait mode. Drives on-chip peripherals except BDLC and timer.
2. Remains at oscillator divided by 2 rate in wait mode. Drives BDLC and timer.
(G)
(G)
(1)
(1)
(2)
(2)
Figure 10-3. Internal Clock Relationships in Normal Run Modes
Figure 10-4. Internal Clock Relationships in Wait Mode
M68HC12B Family Data Sheet, Rev. 9.1
Clock Selection and Generation
115