MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 630

• Manufacturer Part Number: MC9S12Q
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Appendix A Electrical Characteristics
A.7.3
A.7.3.1
The on-chip voltage regulator is intended to supply the internal logic and oscillator circuits allows no
external DC loads.
A.7.3.2
The capacitive loads are specified in
630
Num
1
2
V
PORD
LVI
LVR
POR
V
V
V
DD
DDPLL
Output Loads
Figure A-10. Voltage Regulator — Chip Power-up and Voltage Drops (not scaled)
external capacitive load
Resistive Loads
Capacitive Loads
external capacitive load
V
V
V
V
LVID
LVIA
LVRD
LVRA
Characteristic
Table A-24. Voltage Regulator — Capacitive Loads
Table
A-24. Ceramic capacitors with X7R dielectricum are required.
MC9S12Q128
Rev 1.09
V
DDA
C
Symbol
C
DDPLLext
DDext
LVI enabled
Min
400
90
LVI disabled due to LVR
Typical
440
220
Freescale Semiconductor
12000
5000
Max
V
DD
t
Unit
nF
nF