MC68HC908AZ60 Datasheet, PDF (431/480 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Analog-to-Digital Converter (ADC-15)
I/O Registers
Table 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/TBLCK/ATD12
0
1
1
0
1
PTD5/ATD13
0
1
1
1
0
PTD6/TACLK/ATD14
Range 01111 ($0F) to 11010 ($1A)
Unused (see Note 1)
Unused (see Note 1)
1
1
0
1
1
Reserved
1
1
1
0
0
Unused(see Note 1)
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.
9-adc-15
MOTOROLA
Analog-to-Digital Converter (ADC-15)
MC68HC908AZ60 — Rev 2.0
429