z8f083a ZiLOG Semiconductor, z8f083a Datasheet - Page 225

• Manufacturer Part Number: z8f083a
• Description: High-performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS026308-1207
Bit
Position
[7]
START
[6]
[5]
REFEN
[4]
ADCEN
[3]
Reserved
[2:0]
ANAIN
0
Value
(H)
0
1
0
0
1
0
1
000
001
010
011
100
101
110
111
Hex Address: F71
Reserved
Description
ADC Start/Busy
Writing to 0 has no effect.
Reading a 0 indicates that the ADC is available to begin a conversion.
Writing to 1 starts a conversion.
Reading a 1 indicates that a conversion is currently in progress.
Reserved—Must Be 0.
Reference Enable
Internal reference voltage is disabled allowing an external reference voltage to be
used by the ADC.
Internal reference voltage for the ADC is enabled. The internal reference voltage
is measured on the VREF pin.
ADC Enable
ADC is disabled for low power operation.
ADC is enabled for normal use.
Reserved—Must Be 0.
Analog Input Select
ANA0 input is selected for analog-to-digital conversion.
ANA1 input is selected for analog-to-digital conversion.
ANA2 input is selected for analog-to-digital conversion.
ANA3 input is selected for analog-to-digital conversion.
ANA4 input is selected for analog-to-digital conversion.
ANA5 input is selected for analog-to-digital conversion.
ANA6 input is selected for analog-to-digital conversion.
ANA7 input is selected for analog-to-digital conversion.
Z8 Encore!
Appendix A - Register Tables
Product Specification
®
F083A Series
213