MC68HC08AS32 Datasheet, PDF (317/394 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

Analog-to-Digital Converter (ADC)
I/O Registers
Table 19-1. Mux Channel Select
ADCH4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
ADCH3 ADCH2 ADCH1
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
Range 01111 ($0F) to 11010 ($1A)
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
ADCH0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Input Select
PTB0/ATD0
PTB1/ATD1
PTB2/ATD2
PTB3/ATD3
PTB4/ATD4
PTB5/ATD5
PTB6/ATD6
PTB7/ATD7
PTD0/ATD8
PTD1/ATD9
PTD2/ATD10
PTD3/ATD11
PTD4/ATD12
PTD5/ATD13
PTD6/ATD14/TCLK
Unused⁽¹⁾
Reserved
Unused⁽¹⁾
V_REFH(2)
V_SSA/V_REFL(2)
ADC Power Off
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
to verify the operation of the ADC converter both in production test and for user applica-
tions.
MC68HC08AS32 — Rev. 3.0
MOTOROLA
Analog-to-Digital Converter (ADC)
Advance Information
317