User Manual
34
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
Power Management Unit (PMU)
(load jumps) of the PMU internally generated voltage supplies are very limited. The corresponding limitation
is given by the external buffer capacitor at the VDDC/VDDP pin. In case of a 330 nF buffer capacitor at VDDC the
allowable load jump is 300µA/ms. The figure below shows the Stop Mode entry sequence.
Figure 8
Stop Mode Entry Timing
Timing_Diagram_Stop_Mode_Entry_Customer.vsd
SYSTEM_STATE
LP_CLK
5V
VDDP
reduced voltage
1.5V
VDDC
PMCON0
Active
Stop
xx
H
04
H
stop
transition
stop
SUPPLY_STATUS
stable