XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 480

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

Analog-to-Digital Converter (ADC)
26.8.2 ADC Data Register
26.8.3 ADC Input Clock Register
Technical Data
480
Address:
Address:
One 8-bit result register is provided. This register is updated each time
an ADC conversion completes.
This register selects the clock frequency for the ADC.
ADIV2–ADIV0 — ADC Clock Prescaler Bits
Reset:
Reset:
Read:
Read:
Write:
Write:
ADIV2, ADIV1, and ADIV0 form a 3-bit field which selects the divide
ratio used by the ADC to generate the internal ADC clock.
2
set to approximately 1 MHz.
shows the available clock configurations. The ADC clock should be
$003A
ADIV2
$0039
Bit 7
AD7
Bit 7
Figure 26-4. ADC Input Clock Register (ADICLK)
Analog-to-Digital Converter (ADC)
R
R
R
0
Figure 26-3. ADC Data Register (ADR)
= Reserved
= Reserved
ADIV1
AD6
R
6
6
0
ADIV0
AD5
R
5
5
0
Indeterminate after Reset
ADICLK
AD4
R
4
4
0
AD3
R
R
3
3
0
0
MC68HC908AZ60A — Rev 2.0
AD2
R
R
2
2
0
0
AD1
R
R
1
1
0
0
MOTOROLA
Table 26-
Bit 0
AD0
Bit 0
R
R
0
0