General
• Pin Group 4: XTAL, EXTAL
• Pin Group 5: DAC analog output
2. ADC (Cyclic) specifications are not guaranteed when VDDA is below 3.0 V.
3. Total chip source or sink current cannot exceed 75 mA.
7.3.2 LVD and POR operating requirements
Table 6. PMC Low-Voltage Detection (LVD) and Power-On Reset (POR)
Parameters
Characteristic
Symbol
POR
Min
Typ
2.0
Max
Unit
V
POR Assert Voltage1
POR Release Voltage2
LVI_2p7 Threshold Voltage
LVI_2p2 Threshold Voltage
POR
2.7
V
2.73
2.23
V
V
1. During 3.3-volt VDD power supply ramp down
2. During 3.3-volt VDD power supply ramp up (gated by LVI_2p7)
7.3.3 Voltage and current operating behaviors
The following table provides information about power supply requirements and I/O pin
characteristics.
Table 7. DC Electrical Characteristics at Recommended Operating
Conditions
Characteristic
Symbol
Notes1
Min
Typ
Max
Unit
Test
Conditions
Output Voltage High
Output Voltage Low
VOH
VOL
Pin Group 1
VDD - 0.5
—
—
—
—
V
V
IOH = IOHmax
IOL = IOLmax
Pin Groups
1, 2
0.5
Digital Input Current High
IIH
Pin Groups
1, 2
—
0
+/- 2.5
µA
VIN = 2.4V
to 5.5V
pull-up enabled or
disabled
Comparator Input Current
High
IIHC
IIHOSC
RPull-Up
RPull-Down
IILC
Pin Group 3
Pin Group 3
—
—
20
20
—
0
0
+/- 2
+/- 2
50
µA
µA
kΩ
kΩ
µA
VIN = VDDA
VIN = VDDA
—
Oscillator Input Current
High
Internal Pull-Up
Resistance
—
—
0
Internal Pull-Down
Resistance
50
—
Comparator Input Current
Low
Pin Group 3
+/- 2
VIN = 0V
Table continues on the next page...
MC56F8455x Advance Information Data Sheet, Rev. 2, 06/2012.
Freescale Semiconductor, Inc.
27
Preliminary
General Business Information
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