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MC9S12A128 Datasheet, PDF (63/92 Pages) Motorola, Inc – Microcontroller unit (MCU)
MC9S12A128 Device Guide — V01.01
2. Internal voltage regulator enabled
PINT = IDDR ⋅ VDDR + IDDA ⋅ VDDA
IDDR is the current shown in Table A-7 and not the overall current flowing into VDDR, which
additionally contains the current flowing into the external loads with output high.
∑ PIO =
RDSON
⋅
II
2
Oi
i
PIO is the sum of all output currents on I/O ports associated with VDDX and VDDR.
Table A-5 Thermal Package Characteristics(1)
Num C
Rating
Symbol Min
Typ
1 T Thermal Resistance LQFP112, single sided PCB(2)
θJA
—
—
Thermal Resistance LQFP112, double sided PCB
2 T with 2 internal planes(3)
θJA
—
—
3 T Thermal Resistance LQFP 80, single sided PCB
θJA
—
—
4
T
Thermal Resistance LQFP 80, double sided PCB
with 2 internal planes
θJA
—
—
NOTES:
1. The values for thermal resistance are achieved by package simulations
2. PC Board according to EIA/JEDEC Standard 51-2
3. PC Board according to EIA/JEDEC Standard 51-7
Max
54
41
51
41
Unit
oC/W
oC/W
oC/W
oC/W
63