General
Data1 Valid
Data1
Data2 Valid
Data2
Data3 Valid
Data3
Data
Three-stated
Data Invalid State
Data Active
Data Active
Figure 4. Signal States
7.3 Nonswitching electrical specifications
7.3.1 Voltage and current operating requirements
This section includes information about recommended operating conditions.
NOTE
Recommended VDD ramp rate is between 1 ms and 200 ms.
Table 5. Recommended Operating Conditions (VREFLx = 0 V, VSSA = 0 V,
VSS = 0 V)
Characteristic
Symbol
VDD, VDDA
VREFHA
VREFHB
VREFHC
ΔVDD
ΔVSS
Notes1
Min
2.7
3.0
Typ
Max
3.6
Unit
V
Supply voltage2
3.3
ADC (Cyclic) Reference Voltage High
VDDA
V
ADC (SAR) Reference Voltage High
Voltage difference VDD to VDDA
Voltage difference VSS to VSSA
Input Voltage High (digital inputs)
Input Voltage Low (digital inputs)
Oscillator Input Voltage High
2.0
-0.1
-0.1
VDDA
0.1
V
V
V
V
V
V
0
0
0.1
VIH
Pin Groups 1, 2 0.7 x VDD
Pin Groups 1, 2
5.5
VIL
0.35 x VDD
VDD + 0.3
VIHOSC
Pin Group 4
2.0
XTAL driven by an external clock source
Oscillator Input Voltage Low
Output Source Current High (at VOH min.)3
• Programmed for low drive strength
VILOSC
IOH
Pin Group 4
-0.3
0.8
V
Pin Group 1
Pin Group 1
—
—
-2
-9
mA
• Programmed for high drive strength
Output Source Current Low (at VOL max.)3
• Programmed for low drive strength
IOL
Pin Groups 1, 2
Pin Groups 1, 2
—
—
2
9
mA
• Programmed for high drive strength
1. Default Mode
• Pin Group 1: GPIO, TDI, TDO, TMS, TCK
• Pin Group 2: RESET, GPIOA7
• Pin Group 3: ADC and Comparator Analog Inputs
MC56F844xx Advance Information Data Sheet, Rev. 2, 06/2012.
26
Freescale Semiconductor, Inc.
Preliminary
General Business Information
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