20.2.3 A/D Converter Characteristics
Table 20-7 lists the characteristics of the on-chip A/D converter.
Table 20-7 A/D Converter Characteristics
Conditions: VCC = 5.0V ±10%, AVCC = 5.0V ±10%, VSS = AVSS = 0V,
Ta = –20 to +75˚C (Regular Specifications)
Ta = –40 to +85˚C (Wide-Range Specifications)
6MHz 8MHz 10MHz
Item Min Typ Max Min Typ Max Min Typ Max Unit
Resolution 10 10 10 10 10 10 10 10 10 Bits
Conversion time — — 23.0 — — 17.25 — — 13.8 µs
Analog input capacitance — — 20 — — 20 — — 20 pF
Allowable signal-source impedance — — 10 — — 10 — — 10 kΩ
Nonlinearity error — — ±2.0 — — ±2.0 — — ±2.0 LSB
Offset error — — ±2.0 — — ±2.0 — — ±2.0 LSB
Full-scale error — — ±2.0 — — ±2.0 — — ±2.0 LSB
Quantizing error — — ±0.5 — — ±0.5 — — ±0.5 LSB
Absolute accuracy — — ±2.5 — — ±2.5 — — ±2.5 LSB
20.3 MCU Operational Timing
This section provides the following timing charts:
20.3.1 Bus timing Figures 20-4 to 20-6
20.3.2 Control Signal Timing Figures 20-7 to 20-10
20.3.3 Clock Timing Figures 20-11 and 20-12
20.3.4 I/O Port Timing Figure 20-13
20.3.5 16-Bit Free-Running Timer Timing Figures 20-14 and 20-15
20.3.6 8-Bit Timer Timing Figures 20-16 to 20-18
20.3.7 Pulse Width Modulation Timer Timing Figure 20-19
20.3.8 Serial Communication InterfaceTiming Figure 20-20 and 20-21
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