Peripheral operating requirements and behaviors
0.18
0.16
0.14
0.12
0.1
HYSTCTR
Setting
00
01
10
11
0.08
0.06
0.04
0.02
0
0.1
0.4
0.7
1
1.3
1.6
1.9
2.2
2.5
2.8
3.1
Vinlevel (V)
Figure 14. Typical hysteresis vs. Vin level (VDD=3.3V, PMODE=1)
6.6.3 Voltage reference electrical specifications
Table 26. VREF full-range operating requirements
Symbol
Description
Min.
Max.
Unit
Notes
VDDA
Supply voltage
1.71
3.6
V
TA
CL
Temperature
−40
105
°C
nF
Output load capacitance
100
1, 2
1. CL must be connected to VREF_OUT if the VREF_OUT functionality is being used for either an internal or external
reference.
2. The load capacitance should not exceed +/-25% of the nominal specified CL value over the operating temperature range of
the device.
Table 27. VREF full-range operating behaviors
Symbol Description
Min.
Typ.
Max.
Unit
Notes
Vout
Voltage reference output with factory trim at
nominal VDDA and temperature=25C
1.1915
1.195
1.1977
V
Table continues on the next page...
K20 Sub-Family Data Sheet, Rev. 4 5/2012.
Freescale Semiconductor, Inc.
43
FREESCALE [ Freescale ]
