MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 237

• Manufacturer Part Number: MC68HC908AB32CFU
• Description: IC MCU 8MHZ 32K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908AB32CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM
• Number Of I /o: 51
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

14.8.2 ADC Data Register (ADR)
14.8.3 ADC Clock Register (ADCLK)
MC68HC908AB32
Freescale Semiconductor
—
Rev. 1.1
Address:
Address:
One 8-bit result register, ADC data register (ADR), is provided. This
register is updated each time an ADC conversion completes.
The ADC clock register (ADCLK) selects the clock frequency for the
ADC.
ADIV[2:0] — ADC Clock Prescaler Bits
Reset:
Reset:
Read:
Read:
Write:
Write:
ADIV[2:0] form a 3-bit field which selects the divide ratio used by the
ADC to generate the internal ADC clock.
available clock configurations. The ADC clock should be set to
approximately 1 MHz.
$003A
ADIV2
$0039
Bit 7
AD7
Bit 7
Analog-to-Digital Converter (ADC)
0
0
Figure 14-5. ADC Clock Register (ADCLK)
Figure 14-4. ADC Data Register (ADR)
= Unimplemented
= Unimplemented
ADIV1
AD6
6
0
6
0
ADIV0
AD5
5
0
5
0
ADICLK
AD4
4
0
4
0
AD3
3
0
3
0
0
Analog-to-Digital Converter (ADC)
Table 14-2
AD2
2
0
2
0
0
shows the
AD1
1
0
1
0
0
Technical Data
Bit 0
Bit 0
AD0
0
0
0
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