MC68HC08AS20 Datasheet, PDF (313/386 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Table 19-1. Mux Channel Select
ADCH4
ADCH3
ADCH2
ADCH1
ADCH0
Input Select
0
0
0
0
0
PTB0/ATD0
0
0
0
0
1
PTB1/ATD1
0
0
0
1
0
PTB2/ATD2
0
0
0
1
1
PTB3/ATD3
0
0
1
0
0
PTB4/ATD4
0
0
1
0
1
PTB5/ATD5
0
0
1
1
0
PTB6/ATD6
0
0
1
1
1
PTB7/ATD7
0
1
0
0
0
PTD0/ATD8
0
1
0
0
1
PTD1/ATD9
0
1
0
1
0
PTD2/ATD10
0
1
0
1
1
PTD3/ATD11
0
1
1
0
0
PTD4/ATD12
0
1
1
0
1
PTD5/ATD13
0
1
1
1
0
PTD6/ATD14/TCLK
Range 01111 ($0F) to 11010 ($1A)
Unused (see Note 1)
1
1
0
1
1
Reserved
1
1
1
0
0
V_DDAREF/V_DDA
(see Note 2)
1
1
1
0
1
V_REFH
(see Note 2)
1
1
1
1
0
V_SSA/V_REFL (see Note 2)
1
1
1
1
1
ADC power off
NOTES:
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 applications.
MC68HC08AS20 — Rev. 4.1
Freescale Semiconductor
Advance Information
313