z8f083a ZiLOG Semiconductor, z8f083a Datasheet - Page 107

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

®
Z8 Encore!
F083A Series
Product Specification
95
ADC Timing
Each ADC measurement consists of three phases:
1. Input sampling (programmable, minimum of 1.0 µs).
2. Sample-and-hold amplifier settling (programmable, minimum of 0.5 µs).
3. Conversion is 13 ADCLK cycles.
Figure 12
displays the timing of an ADC conversion.
conversion period
START
1.0 µs min
sample period
Programable
SAMPLE/HOLD
settling period
13 clock
BUSY
convert period
Figure 12. ADC Timing Diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
ADC Clock
BUSY
13 clocks
convert period
Figure 13. ADC Convert Timing
PS026308-1207
Analog-to-Digital Converter