MC68HC908AS60ACFN FREESCALE [Freescale Semiconductor, Inc], MC68HC908AS60ACFN Datasheet - Page 332

• Manufacturer Part Number: MC68HC908AS60ACFN
• Description: M68HC08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Analog-to-Digital Converter (ADC)
26.7.2 ADC Data Register
One 8-bit result register is provided. This register is updated each time an ADC conversion completes.
332
Notes:
ADCH4
1. If any unused channels are selected, the resulting ADC conversion will be unknown.
2. The voltage levels supplied from internal reference nodes as specified in the table are used
Address:
Reset:
Read:
Write:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
to verify the operation of the ADC converter both in production test and for user applica-
tions.
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
$0039
Bit 7
AD7
Range 01111 ($0F) to 11010 ($1A)
ADCH3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
= Unimplemented
Figure 26-3. ADC Data Register (ADR)
AD6
6
Table 26-1. Mux Channel Select
ADCH2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
0
1
1
1
1
AD5
5
Indeterminate after Reset
ADCH1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
AD4
4
ADCH0
AD3
3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
PTD4/ATD12/TBCLK/ATD12
PTD6/ATD14/TACLK/ATD14
AD2
2
V
SSA
Unused (see Note 1)
Unused (see Note 1)
Unused (see Note 1)
PTD2/ATD10/ATD10
PTD3/ATD11/ATD11
PTD5/ATD13/ATD13
V
PTD0/ATD8/ATD8
PTD1/ATD9/ATD9
REFH
[ADC power off]
/V
Input Select
PTB0/ATD0
PTB1/ATD1
PTB2/ATD2
PTB3/ATD3
PTB4/ATD4
PTB5/ATD5
PTB6/ATD6
PTB7/ATD7
REFL
Reserved
AD1
(see Note 2)
1
(see Note 2)
Freescale Semiconductor
Bit 0
AD0