mc9s08dv16 Freescale Semiconductor, Inc, mc9s08dv16 Datasheet - Page 182

• Manufacturer Part Number: mc9s08dv16
• Description: Hcs08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 10 Analog-to-Digital Converter (S08ADC12V1)
10.3.8
182
The pin control registers disable the I/O port control of MCU pins used as analog inputs. APCTL1 is
ADICLK
MODE
Field
3:2
1:0
Pin Control 1 Register (APCTL1)
Conversion Mode Selection. MODE bits are used to select between 12-, 10-, or 8-bit operation. See
Input Clock Select. ADICLK bits select the input clock source to generate the internal clock ADCK. See
Table
10-9.
Table 10-6. ADCCFG Register Field Descriptions (continued)
ADICLK
MODE
ADIV
00
01
10
11
00
01
10
11
00
01
10
11
8-bit conversion (N=8)
12-bit conversion (N=12)
10-bit conversion (N=10)
Reserved
Bus clock
Bus clock divided by 2
Alternate clock (ALTCLK)
Asynchronous clock (ADACK)
MC9S08DV60 Series Data Sheet, Rev 3
Table 10-7. Clock Divide Select
Table 10-8. Conversion Modes
Table 10-9. Input Clock Select
Divide Ratio
1
2
4
8
Selected Clock Source
Mode Description
Description
Input clock ÷ 2
Input clock ÷ 4
Input clock ÷ 8
Clock Rate
Input clock
Freescale Semiconductor
Table
10-8.