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68HC705H12 Datasheet, PDF (180/196 Pages) Motorola, Inc – General Release Specification
Electrical Characteristics
16.6 Control Timing
(VDD = 5.0Vdc±10%, VSS = 0Vdc, TA = –40°C to +85°C, unless otherwise noted)
Characteristic
Symbol
Min
Max
Unit
Oscillator Frequency
Crystal / Ceramic Resonator
External Clock Source
fOSC
—
dc
4.2
MHz
4.2
MHz
Internal Operating Frequency (fOSC / 2)
Crystal / Ceramic Resonator
External Clock
fOP
—
dc
2.1
MHz
2.1
MHz
Cycle Time (1 / fOP)
tCYC
476
—
ns
RESET Pulse Width
tRL
1.5
—
tCYC
IRQ Interrupt Pulse Width Low (Edge-Triggered)
IRQ Interrupt Pulse Period
tILIH
tILIL
120
—(1)
—
ns
—
tCYC
OSC1 Pulse Width
tOH,tOL
100
—
ns
1. The minimum period tILIL should not be less than the number of cycle times it takes to execute the interrupt ser-
vice routine plus 21 tCYC.
16.7 A/D Converter Characteristics
Characteristic
(VDD = 5.0Vdc±10%, VSS = 0Vdc, TA = –40°C to +85°C, unless otherwise noted)
Parameter
Min
Max
Unit
Resolution
Number of bits resolved by the A/D
8
—
Bit
Monotonicity
Conversion result never decreases with an
increase in input voltage and has no missing
codes
GUARANTEED
Quantization Error
Uncertainly due to converter resolution
—
±1/2
LSB
Offset Error
DC shift of the entire transfer curve of an ideal
converter (1)
—
±1/2
LSB
Gain Error
Difference between the actual and expected
gain (end point to end point) (1)
—
±1/2
LSB
Differential Linearity Error
Difference between the actual analog voltage
change and the ideal voltage change (1)
—
±1/2
LSB
Integral Linearity Error
Max deviation from the best straight line
through the A/D transfer characteristics (1)
—
±1/2
LSB
General Release Specification
178
Electrical Characteristics
MC68HC(7)05H12 — Rev. 1.0
MOTOROLA