MC908MR16CFUE Datasheet, PDF (53/282 Pages) Freescale Semiconductor, Inc – On-chip programming firmware for use with host personal computer, Clock generator module (CGM)

I/O Registers
The voltage levels supplied from internal reference nodes as specified in Table 3-1 are used to verify
the operation of the ADC both in production test and for user applications.
Table 3-1. Mux Channel Select
ADCH4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
ADCH3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
ADCH2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
1
1
1
ADCH1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
1
0
0
1
1
ADCH0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
Input Select
PTB0/ATD0
PTB1/ATD1
PTB2/ATD2
PTB3/ATD3
PTB4/ATD4
PTB5/ATD5
PTB6/ATD6
PTB7/ATD7
PTC0/ATD8
PTC1/ATD9⁽¹⁾
Unused⁽²⁾
Ø
Ø
Ø
Ø
Ø
Ø
Unused⁽²⁾
Reserved⁽³⁾
Unused⁽²⁾
V_REFH
V_REFL
ADC power off
1. ATD9 is not available in the 56-pin SDIP package.
2. Used for factory testing.
3. If any unused channels are selected, the resulting ADC conversion will be unknown.
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Freescale Semiconductor
53