Z8F1680SH020SG Datasheet, PDF (212/412 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F1680 Series
Product Specification
187
Internal Voltage
Reference Generator
VR2
RBUF
REFEN
Sel 28 Package
VREF
10
Data
Output
BUSY
Analog-to-Digital
Converter
Reference Input
Analog Input
Sample-and-Hold
Amplifier
Analog Input
Multiplexer
ADCLK
ADCEN
START
ANAIN[2:0]
Figure 30. Analog-to-Digital Converter Block Diagram
ANA0
ANA1
ANA2
ANA3
ANA4
ANA5
ANA6
ANA7
SAMPLE/HOLD
14.2.1. ADC Timing
Each ADC measurement consists of 3 phases:
1. Input sampling (programmable, minimum of 1.8µs).
2. Sample-and-hold amplifier settling (programmable, minimum of 0.5µs).
3. Conversion is 13 ADCLK cycles.
Figure 31 displays the timing of an ADC conversion.
PS025015-1212
PRELIMINARY
Analog-to-Digital Converter