S912XEG384J3VA Datasheet, PDF (1235/1324 Pages) Freescale Semiconductor, Inc – MC9S12XEP100 Reference Manual Covers MC9S12XE Family

A.5 Output Loads
Appendix A Electrical Characteristics
A.5.1 Resistive Loads
The voltage regulator is intended to supply the internal logic and oscillator. It allows no external DC loads.
A.5.2 Capacitive Loads
The capacitive loads are specified in Table A-22. Ceramic capacitors with X7R dielectricum are required.
Table A-22. - Required Capacitive Loads
Num
Characteristic
1 VDD/VDDF external capacitive load
3 VDDPLL external capacitive load
Symbol
C_DDext
C_DDPLLext
Min Recommended Max Unit
176
220
264
nF
80
220
264
nF
A.5.3 Chip Power-up and Voltage Drops
LVI (low voltage interrupt), POR (power-on reset) and LVRs (low voltage reset) handle chip power-up or
drops of the supply voltage. Their function is shown in Figure A-3 .
Figure A-3. MC9S12XE-Family - Chip Power-up and Voltage Drops (not scaled)
V
V_DDX
V_LVID
V_LVIA
V_LVRXD
V_LVRXA
V_DD
V_PORD
LVI
POR
LVRX
t
LVI enabled ^{LVI disabled due to LVR}
Freescale Semiconductor
MC9S12XE-Family Reference Manual Rev. 1.25
1235