S912XEG128J2VAL
Model | S912XEG128J2VAL |
Description | IC,MICROCONTROLLER,16-BIT,CPU12 CPU,CMOS,QFP,112PIN,PLASTIC |
PDF file | Total 1327 pages (File size: 7M) |
Chip Manufacturer | ROCHESTER |
Appendix A Electrical Characteristics
A.5.2
Capacitive Loads
- Required Capacitive Loads
Because of an order from the United States International Trade Commission, BGA-packaged product lines and part numbers indicated here currently are not
available from Freescale for import or sale in the United States prior to September 2010: S12XE products in 208 MAPBGA packages
The capacitive loads are specified in
Table A-22.
Ceramic capacitors with X7R dielectricum are required.
Num
1
3
Characteristic
VDD/VDDF external capacitive load
VDDPLL external capacitive load
Symbol
C
DDext
C
DDPLLext
Min
176
80
Recommended
220
220
Max
264
264
Unit
nF
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
LVID
V
LVIA
V
LVRXD
V
LVRXA
V
DDX
V
DD
V
PORD
t
LVI
LVI enabled LVI disabled due to LVR
POR
LVRX
MC9S12XE-Family Reference Manual , Rev. 1.19
1234
Freescale Semiconductor